NUST Mock Test 14

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NET Mock Test 14

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1 / 198

Category: Physics Ch 14 Class 12

If the length of a current carrying solenoid is doubled keeping the number of turns same and the current is increased to 9 times, the value of magnetic field compared to the original magnetic field B will be:

2/9 B

9/2 B

18B

B/18

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Category: Physics Ch 14 Class 12

F = I L B, What Is relation between I and L

Direct

Inverse

Inverse of square

None of the above

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Category: Chemistry Ch 2 Class 11

How will you separate water and kerosene oil?

Distillation

Filtration

Sublimation

Crystallization

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Category: Chemistry Ch 2 Class 11

The process of changing a solid directly into gas upon heating is known as:

Sublimation

Liquefaction

Condensation

None of these

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Category: Intelligence Coding — Decoding

If LCMHN represents MANGO, then how will BOUTS be represented?

AWPAK

AQTUR

AQVRU

d) None of these

6 / 198

Category: Math Ch 4

7 / 198

Category: Math Ch 4

If product of all cube roots of unity is equal to ?^? + ? , then ? is equal to:

−1

0

±?

1

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Category: Math Ch 4

The sum of all four fourth roots of unity is:

Unity

0

-1

None

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Category: Math Ch 4

The complex cube roots of unity are………………. each other.

Additive inverse

Equal to

Conjugate

None of these

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Category: Math Ch 7

If an event always occurs , then it is called:

Null Event

Possible Event

Certain event

Independent Event

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Category: Math Ch 7

a

b

c

d

12 / 198

Category: Math Ch 14

a

b

c

d

13 / 198

Category: Math Ch 14

All trigonometric functions are ……………….. functions.

Periodic

continues

injective

bijective

14 / 198

Category: Math Ch 14

a

b

c

d

15 / 198

Category: Math Ch 13

a

b

c

d

16 / 198

Category: Math Ch 13

a

b

c

d

17 / 198

Category: Physics Ch 21 Class 12

How many quarks neutron and proton is made up of?

1

2

3

4

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Category: Math Ch 5

a

b

c

d

19 / 198

Category: Physics Ch 6 Class 11

If an object sinks in the water, then

Object is denser than water

Water is denser than object

Either a or b

None

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Category: Intelligence Sequences and Series

Find the next number In the following sequence: 1, 9, 25, 49…

100

81

72

98

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Category: Intelligence Sequences and Series

Find the missing number in the pattern given below: If 4 x 6 = 1624 3 x 4 =912 then 5 x 6 = ?

2530

30

5060

2024

22 / 198

Category: Intelligence Sequences and Series

find the missing number in the pattern given below: If 7 + 5 = 4925 5 + 4= 2516 then 3 + 2 = ?

a) 1.5

9004

94

76 2

23 / 198

Category: Physics Ch 17 Class 12

Semiconductors have conductivity of the order

10^7

10^-10 to 10^-20

10^-6 to 10^-4

None

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Category: Chemistry Ch 8 Class 12

KOLBE’s method is used to prepare?

Ethane

Ethene

Ethyne

All of these

25 / 198

Category: Math Ch 9

a

b

c

d

26 / 198

Category: Math Ch 9

a

b

c

d

27 / 198

Category: Math Ch 9

If the rotation of the angle is counter clock wise, then angle is:

Negative

Positive

Non-Negative

None of these

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Category: Chemistry Ch 5 Class 11

If an election jumps from 6th orbit to 2nd orbit then decrease in radius will be?

90%

60%

30%

20%

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Category: Chemistry Ch 5 Class 11

If an electron makes a transition from 4th orbit to inner orbits, then the wavelength for which the radius is maximum, lies in which of the following series?

Lyman series

Paschen series

Brackett serie

Pfund series

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Category: Chemistry Ch 5 Class 11

Which of the following quantum numbers are for p-subshell?

a

b

c

d

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Category: Chemistry Ch 4 Class 12

Which of the following has allotropic forms:

Oxygen

Sulphur

Both

None of these

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Category: Chemistry Ch 4 Class 12

Nitrogen has oxides:

2

3

1

Several

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Category: Physics Ch 20 Class 12

Laser light is

Monochromatic

Intense

Coherent

All of these

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Category: Physics Ch 20 Class 12

The ionization energy of hydrogen is:

13.6 ev

13.61 J

14 J

13.6 meV

35 / 198

Category: Physics Ch 4 Class 11

The basic source of geothermal energy is

Sun

Earth

Moon

Water

36 / 198

Category: Physics Ch 4 Class 11

A body of mass m moving with velocity v has a kinetic energy K. If its velocity is increased by 25%, what will be the work done in terms of K.E?

0.25 K

Zero

2.5 K

0.56 K

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Category: Physics Ch 4 Class 11

Work done by retarding force is:

Positive

negative

Zero

None of these

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Category: Physics Ch 4 Class 11

Mechanical energy of an object is the sum of its Potential Energy and ?

Electrical Energy

Thermal Energy

Kinetic Energy

All of these

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Category: Intelligence Odd One Out

Pick the odd one out

Trunk

Tree

Leaf

Flower

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Category: Intelligence Odd One Out

Which of the following is the odd one out?

Microfilm

Microscope

Microbe

Microchip

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Category: Intelligence Odd One Out

Pick the odd one out

Mercury

Acetone

Petrol

Kerosene

42 / 198

Category: Intelligence Odd One Out

Which of the following is the odd one?

Apple

Orange

Guava

Pear

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Category: Intelligence Odd One Out

Pick the odd one out

Mountain

Mound

Peak

Valley

44 / 198

Category: Math Ch 8

a

b

c

d

45 / 198

Category: Physics Ch 5 Class 11

On doubling the mass, the linear momentum and angular momentum of the body will be:

Remain same

Increased

Decreased

Doubled

46 / 198

Category: Physics Ch 5 Class 11

Centrifugal force of a body depends upon?

Weight

Mass

Volume

None of these

47 / 198

Category: Physics Ch 5 Class 11

In rotation motion the torque is:

Rate of change of angular momentum

Rate of change of linear momentum

Rate of change of inertia

Rate of change of centripetal force

48 / 198

Category: Physics Ch 16 Class 12

RLC circuit can be excited by

AC

DC

Both a and b

None of these

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Category: Physics Ch 16 Class 12

An Inductor of 1H Is connected across a 220V, 50Hz supply. The peak value of current is approximately:

0.5A

0.7A

1A

1.4A

50 / 198

Category: Chemistry Ch 1 Class 11

To find the number of molecules in a given compound which of the following is employed?

Chromatography

Le-Chatelier's principle

Kc

None of thes

51 / 198

Category: Chemistry Ch 1 Class 11

1 amu is?

1.66 x 10^-27 kg

1.602 x 10^27 kg

1.66 x 10^-31 kg

None

52 / 198

Category: Chemistry Ch 1 Class 11

) Which one of the following has no isotope

Hydrogen

Helium

Nitrogen

None

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Category: Chemistry Ch 7 Class 11

Burning of fuel is a

Endothermic

Exothermic

Both a & b

None of these

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Category: Math Ch 2

Which of the following is true:

? ⊂ ?

all of these

55 / 198

Category: Chemistry Ch 6 Class 12

What is NOT true about K2Cr2O7?

Blue crystalline solid

Not soluble in water

Strong oxidizing agent

Used in formation of lead chromate

56 / 198

Category: Physics Ch 19 Class 12

If temperature on Kelvin scale Is reduced to half, what would be the effect on the energy of radiations?

Increase 8 times

Decrease 8 times

Increase 16 times

Decrease 16 times

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Category: Physics Ch 19 Class 12

Black body radiations were first observed by:

Maxwell

Planks

Lummer

None of these

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Category: Physics Ch 19 Class 12

Value of Wien’s constant is?

2.9 x 10^3 K

2.9 x 10^3 K/m

2.9 x 10^3 m K

2,9 x 10^3 m

59 / 198

Category: Physics Ch 19 Class 12

Which of the following color has maximum energy?

Green

Blue

Red

Orange

60 / 198

Category: Physics Ch 19 Class 12

Anti matter theory was proposed by: a) Einstein b) Bohr

Einstein

Bohr

Planck

Dirac

61 / 198

Category: Physics Ch 12 Class 12

Electric potential is a quantity.

Scalar

Vector

Basic

None of these

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Category: Physics Ch 12 Class 12

If a 2 µF capacitor is connected, by closing a switch, to a supply of 100 volts through 1M ohm series resistance. What will be the time constant?

2 secs

3 secs

7 secs

4 secs

63 / 198

Category: Physics Ch 12 Class 12

If a closed surface contains two equal and opposite The net electric flux from the surface will be

Positive

Negative

Zero

None of these

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Category: Physics Ch 12 Class 12

Which of the following can’t be used as a dielectric in a capacitor

Air

Wax

Iron

All of the above

65 / 198

Category: Physics Ch 12 Class 12

A charge is situated in the center of cube. The electric flux through one of the faces of the cube is.

Q/Eo

Q/2Eo

Q/4Eo

Ct/6Eo

66 / 198

Category: Physics Ch 12 Class 12

If capacitor is connected with battery and is fully charged then

Current will flow

Current will not flow

Depends on the dielectric

May or may not flow

67 / 198

Category: Physics Ch 12 Class 12

If the potential difference between the plates of a capacitor with capacitance C is 4V, how much charge will accumulate on each of its plate?

4c

2c

0

8c

68 / 198

Category: Physics Ch 12 Class 12

If a body A is charged with charge q, and is touched with neutral body B and then with neutral body C. What will be the charge on C after the contact?

q

q/2

q/3

q/4

69 / 198

Category: English Reading Comprehension

Passage 6 Last summer, we decided to spend our vacation at the beach because the weather was very hot in the mountains. The travel agent said that traveling by bus was the cheapest way, but we went by plane because it was faster. We wanted to have more time to spend at the beach. The weather was beautiful, and we had a great time.

We decided to go to the beach because

a) It was cheaper than going to the mountains

b) The travel agent said that it was the cheapest

c) The weather was hot in mountains

d) we wanted to spend time at the beach

70 / 198

Category: English Reading Comprehension

When school opened in Texas this fall, some favorites were missing from the cafeteria menus. Soda; and ghouls op-when rand`, bars had been banned for grade schoolers, chips and cookies were mini•size. And that perennial favorite, the French fry, was given just one more year before it too will be banned. Howls of protest could be heard everywhere. Principals complained about being forced to act as “nutrition police.” Parents and kids traded schoolyard rumors about twinkles being confiscated from lunch boxes. Nearly everyone, addicted to the revenues that vending machines bring in, yelled that there wouldn’t be enough money for activities like band camp and choir trips. Angry e-mails poured in to the woman who had imposed the new rules-Texas agriculture commissioner Susan Combs. It is stated in the passage that both the students and the principals of the schools in Texas

a) Have the most qualified teaching staff

b) Are to commute between the campus and downtown

c) Intend to devise new methods of dieting

d) Seem to be displeased with the current food policy

71 / 198

Category: Physics Ch 1 Class 11

Pa m² is the unit of

Work

Pressure

force

Power

72 / 198

Category: Physics Ch 1 Class 11

If v = a + bt, the dimensions of a and b are

LT^-1 & LT^-2

LT^-1 & T

L^-2T & T

None

73 / 198

Category: Physics Ch 1 Class 11

SI unit of velocity Is

ms

s/m

m/s

s/m2

74 / 198

Category: Physics Ch 7 Class 11

Seconds pendulum has time period

1 sec

2 sec

4 sec

0.5 sec

75 / 198

Category: Physics Ch 7 Class 11

Second’s pendulum has frequency equal to?

0.5

1

2

4

76 / 198

Category: Physics Ch 7 Class 11

What will be the time period of pendulum if length becomes S times and g becomes 1/5 times at some height from the earth?

5t

t/5

15t

25t

77 / 198

Category: Physics Ch 7 Class 11

What will be impact on the frequency of a simple pendulum if the length of pendulum is halved
and value of gravity is doubled?

Halved

Doubled

Quadrupled

None of these

78 / 198

Category: Physics Ch 2 Class 11

If a force of 2N acting through a moment arm of V2 rn produces a torque of V6 Nm, what is the angle between F and r.

0 degrees

30 degrees

45 degrees

60 degrees

79 / 198

Category: Physics Ch 2 Class 11

i.(j*k)

0

1

2

-1

80 / 198

Category: Physics Ch 2 Class 11

If a Force F of magnitude 5N makes an angle of 60 with x-axis, the x-component of the vector will
be:

F/2

√3F/2

F/√2

F

81 / 198

Category: Chemistry Ch 2 Class 12

Melting point of Group I-A elements is than Group II-A elements

Higher

lower

Same

Varies

82 / 198

Category: Chemistry Ch 2 Class 12

When alkali metal react with water the fire Is produced clue to:

Ions

Hydrogen gas

Water

None of these

83 / 198

Category: Math Ch 7 Class 12

The angles ?, ?, ??? ? which a non-zero vector ? makes with ? − ????, ? − ???? and
? − ???? respectively are called_____________ of ?.

Direction cosines

direction ratios

direction angles

inclinations

84 / 198

Category: Math Ch 7 Class 12

If any two vectors of scalar triple product are equal, then its value is equal to

1

0

-1

2

85 / 198

Category: Math Ch 7 Class 12

Two vectors are said to be negative of each other if they have the same magnitude and
__________direction.

Same

opposite

negative

parallel

86 / 198

Category: Math Ch 7 Class 12

a

b

c

d

87 / 198

Category: Math Ch 7 Class 12

a

b

c

d

88 / 198

Category: Math Ch 7 Class 12

The lines joining the mid-points of any two sides of a triangle is always _____to the third side.

Equal

Parallel

perpendicular

base

89 / 198

Category: Math Ch 7 Class 12

Parallelogram law of vector addition to describe the combined action of two forces, was used
by

Cauchy

Aristotle

Alkhwarzmi

Leibnitz

90 / 198

Category: Math Ch 7 Class 12

a

b

c

d

91 / 198

Category: Math Ch 7 Class 12

a

b

c

d

92 / 198

Category: Math Ch 7 Class 12

a

b

c

d

93 / 198

Category: Math Ch 7 Class 12

a

b

c

d

94 / 198

Category: Math Ch 7 Class 12

Which of the following can be the direction angles of some vector

45°, 45°, 60°

30°, 45°, 60°

45°, 60°, 60°

obtuse

95 / 198

Category: Math Ch 7 Class 12

Cross product or vector product is defined

In plane only

in space only

everywhere

in vector field

96 / 198

Category: Physics Ch 8 Class 11

Standing pattern of Nodes and Antlnodes form:

All of these

Stationary Waves

Progressive Waves

Travelling Waves

97 / 198

Category: Physics Ch 3 Class 11

Dimensions of linear Momentum are:

MLT^-1

ML^2T^2

M^2LT^1

MLT^-2

98 / 198

Category: Physics Ch 3 Class 11

If a body is placed from poles to equator, the weight of the body will

Increase

Decrease

Stay constant

None of these

99 / 198

Category: Physics Ch 3 Class 11

Ball thrown freely from a tower reaches ground in 4s. The height of tower Is about

20m

40m

80m

160m

100 / 198

Category: Physics Ch 9 Class 11

If the grating element is made 1/10th the resolving power will become

1/100 times

1/10 times

100 times

10 times

101 / 198

Category: English – Synonyms and Antonyms

Choose the word closest in meaning to “Effrontery”

Meekness

Chutzpah

Caution

Mess

102 / 198

Category: English – Synonyms and Antonyms

Choose the word closest In meaning to “Welter

Tumble

Calm

Order

Peace

103 / 198

Category: English – Synonyms and Antonyms

Choose the word most opposite in meaning to “Fallacy”

Paradox

Flaw

Accuracy

Prejudice

104 / 198

Category: English – Synonyms and Antonyms

Choose the word most opposite in meaning to “Incomparable”

Unique

Rival

Attire

Routine

105 / 198

Category: English – Synonyms and Antonyms

Choose the word closest in meaning to “Knuckle Head”

Intolerable

Inept person

Musical

Talented

106 / 198

Category: Math Ch 6

a

b

c

d

107 / 198

Category: Math Ch 6

A sequence is function whose domain is

?

108 / 198

Category: Math Ch 6

a

b

c

d

109 / 198

Category: Chemistry Ch 1 Class 12

Hydration energy increases with

With high charge density

Distance between nucleus and outer most electron

Size of the atom

None of these

110 / 198

Category: Chemistry Ch 1 Class 12

Smallest element in the periodic table is?

Hydrogen

Fluorine

Lithium

Uranium

111 / 198

Category: Chemistry Ch 6 Class 11

Ionization potential

Increases down the group

Decreases down the group

Stay same

None

112 / 198

Category: Chemistry Ch 6 Class 11

Which one of these is paramagnetic?

N

Be

He

None of these

113 / 198

Category: Chemistry Ch 6 Class 11

Which of the following is paramagnetic

Nickle

Vanadium

Uranium

Oxygen

114 / 198

Category: Chemistry Ch 6 Class 11

which type of hybridization doesn’t exist?

Sp4

Sp3

Sp2

Sp

115 / 198

Category: Math Ch 3 Class 12

a

b

c

d

116 / 198

Category: Math Ch 3 Class 12

a

b

c

d

117 / 198

Category: Math Ch 3 Class 12

a

b

c

d

118 / 198

Category: Math Ch 3 Class 12

a

b

c

d

119 / 198

Category: Math Ch 3 Class 12

a

b

c

d

120 / 198

Category: Math Ch 3 Class 12

a

b

c

d

121 / 198

Category: Chemistry Ch 3 Class 12

Burning of amorphous Boron in air forms

B(OH)3

B203

BN

Mixture of B203& BN

122 / 198

Category: Chemistry Ch 3 Class 12

Chemical formula of powder used in carom board is?

NaHCO3

H3B03

Na2CO3

K2CO3

123 / 198

Category: Chemistry Ch 3 Class 12

) Which one of the following is metalloid?

C

Si

S

0

124 / 198

Category: Chemistry Ch 3 Class 12

Which element of group 4A shows inert pair effect?

Ge

Pb

Si

C

125 / 198

Category: Chemistry Ch 8 Class 11

A solution has pH of 10. What is the value of [OH-]?

10^4

10^-4

10^6

10^-6

126 / 198

Category: Chemistry Ch 8 Class 11

In a exothermic process, forward direction reaction is favored by:

Increase in temperature

Decrease In temperature

) Increase and decrease repeatedly

None of these

127 / 198

Category: Chemistry Ch 4 Class 11

if the crystal structure of Graphite is Hexagonal, the crystal system of Diamond will be:

Tetrahedral

Pyramidal

Cubic

Pentagonal

128 / 198

Category: Chemistry Ch 4 Class 11

Which of the following has the higher bond forces amount its molecules

Hydrogen

Neon

Water

Hydrogen Fluoride

129 / 198

Category: Chemistry Ch 4 Class 11

Vapor pressure depends on

Size of the container used to collect the gas

Current atmospheric pressure

Temperature of the liquid

d) Kind of gas that is being collected

130 / 198

Category: Math Ch 6 Class 12

The angle inscribed in semi-circle is:

?/2

?/3

?/4

None of these

131 / 198

Category: Math Ch 6 Class 12

A type of the conic that has eccentricity greater than 1 is

An ellipse

A parabola

A hyperbola

A circle

132 / 198

Category: Math Ch 6 Class 12

The foci of hyperbola always lie on :

? − ????

?????????? ???s

? − ????

Conjugate axis

133 / 198

Category: Math Ch 6 Class 12

Standard equation of Parabola is :

?2 = 4?

?2 + ?2 = ?2

?2 = 4??

? = ??

134 / 198

Category: Math Ch 6 Class 12

The equation ?? + ?? = ? then circle is

Point Circle

Unit Circle

Real circle

Imaginary Circle

135 / 198

Category: Math Ch 6 Class 12

a

b

c

d

136 / 198

Category: Chemistry Ch 9 Class 11

Definition of Raoult’s law is,

The lowering of vapor pressure is equal to the mole fraction of solute

The relative lowering of vapor pressure is directly proportional to the mole fraction of solute.

The relative lowering of vapor pressure is equal to the mole fraction of solute

The relative lowering vapor pressure is equal to the mole fraction of solvent

137 / 198

Category: Math Ch 3

The horizontal lines of numbers in a matrix are called:

Columns

Rows

Column matrix

Row matrix

138 / 198

Category: Math Ch 3

If a matrix A has same number of rows and columns then A is called:

Row vector

Column vector

square matrix

Rectangular matrix

139 / 198

Category: Math Ch 3

53. The inverse of unit matrix is:

Unit

Singular

Skew Symmetri

rectangular

140 / 198

Category: Math Ch 3

Which of the following Sets is a field.

R

Q

C

all of these

141 / 198

Category: Math Ch 3

Inverse of a matrix exists if it is:

Singular

Null

Rectangular

Non-singular

142 / 198

Category: Math Ch 3

a

b

c

d

143 / 198

Category: Math Ch 3

In echelon form of matrix, the first non zero entry is called:

Leading entry

first entry

preceding entry

Diagonal entry

144 / 198

Category: Math Ch 3

10. If a matrix A has different number of rows and columns then A is called:

Row vector

Column vector

square matrix

Rectangular matrix

145 / 198

Category: Physics Ch 18 Class 12

When transistor Is forward biased then resistance will be: b a) Nano ohms ) Kilo ohms c) Mega ohms

Nano ohms

Kilo ohms

Mega ohms

Milli ohms

146 / 198

Category: Physics Ch 18 Class 12

If x and y are the input of the GATE, and z is the output, the following table represents:

a

b

c

d

147 / 198

Category: Chemistry Ch 3 Class 11

Gases can be converted into liquid by:

Increasing temperature and decreasing pressure

Decreasing temperature and increasing pressure

Same temperature and pressure

Increasing pressure and temperature

148 / 198

Category: Chemistry Ch 3 Class 11

Real gases deviate significantly from ideal gas behavior at

Low temperature and high pressure

High temperature and low pressure

None of these

Noth a and b

149 / 198

Category: English Analogies

Symphony : Music

Mural : Painting

Ode : Prose

Preface : Book

Editorial : Journal

150 / 198

Category: English Analogies

19) Embarrass : Humiliate

Enquire : Ask

Gamble : Investment

Embezzle : Peculate

Annoy : Exasperate

151 / 198

Category: English Analogies

Knife : Chopper

Walking Fitness

Swim : Float

Scissors : Cloth

Quilt : Blanket

152 / 198

Category: English Analogies

Cat : Mouse

Horse : Stable

Trap : Cheese

Bird : Worm

Lion : Cage

153 / 198

Category: English Analogies

Explosion : Destruction

Talk : Exaggeration

Success : Failure

Girl : Woman d)

Engagement : Marriage

154 / 198

Category: English Analogies

Revolver : Holster

Book : Bag

Eye : Eyelid

Juice : Glass

Nostril : Nose

155 / 198

Category: Math Ch 10

a

b

c

d

156 / 198

Category: Intelligence Direction Sense

One morning timer and Watias were talking to each other face to taco at a field. If Warps’s shadow was exactly to the loft of timer, which direction was thnor facing?

North

East

West

South

157 / 198

Category: Chemistry Ch 10 Class 11

+3 and +5 oxidation states are often shown by:

Cl

F

Zn

Cu

158 / 198

Category: Chemistry Ch 10 Class 11

Which one has valency other than one?

Mn in KMnO4

K in KCL

Br in Br2O

Na in NaCI

159 / 198

Category: English Grammar

16) The paths of glory lead _ to the grave.

Straight

But

In

Directl

160 / 198

Category: English Grammar

If you smuggle goods into the country, — they may be, by the customs authority.

Possessed

Punished

Confiscated

Fined

161 / 198

Category: Math

The symbol which is used to denote negation of a proposition is

~

→

∧

∨

162 / 198

Category: Math

The additive identity in set of complex number is

(0,0)

(0,1)

(1,0)

(1,1)

163 / 198

Category: Math

√3 is __________

Rational

Irrational

Integer

Prime

164 / 198

Category: Math

The product of two conjugate complex numbers is

A real number

an imaginary number

may be an irrational number

not defined

165 / 198

Category: Math

The set of odd numbers between 1 and 9 are

{1,3,5,7}

{3,5,7,9}

{1,3,5,7,9}

{3,5,7}

166 / 198

Category: Math

The number of all subsets of a set having three elements is:

4

6

8

10

167 / 198

Category: Math Ch 5 Class 12

a

b

c

d

168 / 198

Category: Math Ch 5 Class 12

If ? > ? then

– ? > −?

– ? < ?

? < ?

– ? < −b

169 / 198

Category: Math Ch 5 Class 12

A function which is to be maximized or minimized is called______ function

Subjective

objective

qualitative

quantitative

170 / 198

Category: Math Ch 5 Class 12

a

b

c

d

171 / 198

Category: Chemistry Ch 5 Class 12

What is the heat of vaporization of radon?

1.77

9.7

18.0

6.5

172 / 198

Category: Chemistry Ch 5 Class 12

) Which halogen is present in Teflon?

Chlorine

Bromine

Fluorine

Iodine

173 / 198

Category: Chemistry Ch 5 Class 12

Which of the following show halogens?

F to At

N to CH

C to Sn

H to Cs.

174 / 198

Category: Physics Ch 13 Class 12

What is the constant of proportionality in ohms law:

R

1/R

I

V

175 / 198

Category: Physics Ch 13 Class 12

The power dissipated in a resistor is 12.8 watts when 4A current Is passed. Hw much power will be dissipated If 6A current Is passed through the same resistor?

16 watts

24 watts

28.8 watts

32.5 watts

176 / 198

Category: Physics Ch 13 Class 12

If three resistances RI, RI and R3 are connected In Parallel to the circuit such that RI> RI > RI. Which of the following will be true for the Equivalent Resistance R’?

R' > R1 > R3

R' < R3

R' = R3

R1< R' < R3

177 / 198

Category: Math Ch 12

a

b

c

d

178 / 198

Category: Physics Ch 10 Class 11

If a single convex lens is placed close to the eye, it can be used as a

telescope

simple microscope

compound microscope

refracting telescope

179 / 198

Category: Physics Ch 10 Class 11

Final image produced by a compound microscope is

Real and inverted

Real and erect

Virtual and erect

Virtual and inverted.

180 / 198

Category: Physics Ch 10 Class 11

A point where the incident parallel rays of light converge or appear to diverge after passing through a lens
is called

(a) Center of curvature

Focus

(c) Optical centre

Aperture

181 / 198

Category: Physics Ch 10 Class 11

A double convex lens acts as a diverging lens when the object is placed

at the focus

at 2f

between f and 2f

within the focal length

182 / 198

Category: Physics Ch 10 Class 11

A convex lens gives a virtual image only when the objects leis

Between principal focus and center of curvature

Beyond 2 f

At the principal focus

Between principal focus and optical center

183 / 198

Category: Physics Ch 10 Class 11

Critical angle is that incident angle in denser medium for which angle of refraction is.

0

45

90

180

184 / 198

Category: Math Ch 1 Class 12

a

b

c

d

185 / 198

Category: Math Ch 1 Class 12

The graph of linear equation is always a

Straight line

parabola

circle

cube

186 / 198

Category: English Spellings Correction

Choice Correct Spelling

Mathematics

Mathimatics

Mathemetics

Methematics

187 / 198

Category: English Spellings Correction

Choice Correct Spelling

Endeavour

Andeavour

Endiavour

Endeavor

188 / 198

Category: English Spellings Correction

Choice Correct Spelling

Exasperating

Exesperating

Exaspereting

Axasperating

189 / 198

Category: English Spellings Correction

Choice Correct Spelling

Accidently

Exidently

Accedently

Accidantly

190 / 198

Category: English Spellings Correction

Choice Correct Spelling

Hirassment

Harassment

Herassment

Harasment

191 / 198

Category: Math Ch 2 Class 12

a

b

c

d

192 / 198

Category: Math Ch 2 Class 12

a

b

c

d

193 / 198

Category: Math Ch 2 Class 12

a

b

c

d

194 / 198

Category: Math Ch 4 Class 12

a

b

c

d

195 / 198

Category: Math Ch 4 Class 12

The point where the altitudes of a triangle intersect is called_________ of the triangle.

Centroid

centre

orthocenter

circumference

196 / 198

Category: Math Ch 4 Class 12

The point where the medians of a triangle intersect is called_________ of the triangle.

Centroid

centre

orthocenter

circumference

197 / 198

Category: Math Ch 4 Class 12

The Normal form of the equation of the straight line is

? = ?? + ?

? − ?1 = ?(? − ?1)

?/?+?/?= 1

????? + ????? = p

198 / 198

Category: Math Ch 4 Class 12

A four sided polygon (quadrilateral) having two parallel and non-parallel sides is called

Square

rhombus

trapezium

||gram

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The additive identity in set of complex number is