NUST Mock Test 6

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NET Mock Test 6

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1 / 195

Category: Intelligence Sequences and Series

Find the next number In the following sequence:
8, 36, 90,135 …

196

135

215

245

2 / 195

Category: Intelligence Sequences and Series

Find the next number In the following sequence: 2160, 360, 72, 18 …

9

6

3

1

3 / 195

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

4 / 195

Category: Physics Ch 13 Class 12

Which of the following convert the heat energy Into electrical energy

Thermocouple

Thermometer

Potentiometer

None of these

5 / 195

Category: English Grammar

The car In which the minister was traveling — with an accident.

Hit

Drove

Crashed

Met

6 / 195

Category: English Grammar

Owing to the power cut in the area, factories are being forced to –men

Throw Away

Send Off

Put Off

Lay Off

7 / 195

Category: English Grammar

Quaid e Azam spent his last days –Ziarat residency.

At

In

On

Across

8 / 195

Category: English Grammar

This, partly, explains how the Nawaz family has been able to –its lavish lifestyle in recent times, despite the fact that all Its assets have been —

Keep, Removed

Afford, Attached

Develop, Liquidated

Keep Up, Destroyed

9 / 195

Category: English Grammar

err is — to forgive divine

Inhuman

Natural

Beastly

human

10 / 195

Category: Math Ch 3 Class 12

a

b

c

d

11 / 195

Category: Math Ch 3 Class 12

a

b

c

d

12 / 195

Category: Math Ch 3 Class 12

a

b

c

d

13 / 195

Category: Math Ch 3 Class 12

a

b

c

d

14 / 195

Category: Math Ch 3 Class 12

a

b

c

d

15 / 195

Category: Math Ch 3 Class 12

a

b

c

d

16 / 195

Category: Math Ch 3 Class 12

a

b

c

d

17 / 195

Category: Math Ch 3 Class 12

a

b

c

d

18 / 195

Category: Chemistry Ch 2 Class 12

The basic character of alkali metal oxides:

Decreases down the group

Remains same

Increases down the group

None of these

19 / 195

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

20 / 195

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

21 / 195

Category: Physics Ch 12 Class 12

Two charges of same magnitude are placed, the force between the charges will be maximum in presence of which medium?

Glass

Water

Mica

Air

22 / 195

Category: Physics Ch 12 Class 12

Value of ∊ _s is:

9 x 10^19

8.85 x 10^-12

9 x 10^-12

None

23 / 195

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

24 / 195

Category: Physics Ch 12 Class 12

The electric field of a point charge is in shape.

Spherical

Spherical symmetrical

Plane

Cylindrical

25 / 195

Category: Physics Ch 12 Class 12

Flux passing through an area does not depend upon

Medium

Shape of hypothetical surface

Numbers of line passing through the area

None of these

26 / 195

Category: Math Ch 2 Class 12

a

b

c

d

27 / 195

Category: Math Ch 2 Class 12

a

b

c

d

28 / 195

Category: Math Ch 2 Class 12

a

b

c

d

29 / 195

Category: Math Ch 2 Class 12

a

b

c

d

30 / 195

Category: Math Ch 2 Class 12

a

b

c

d

31 / 195

Category: Math Ch 2 Class 12

a

b

c

d

32 / 195

Category: Math Ch 2 Class 12

a

b

c

d

33 / 195

Category: Math Ch 2 Class 12

a

b

c

d

34 / 195

Category: Math Ch 2 Class 12

A stationary point is called ______ if it is either a maximum point or a minimum point

Stationary point

turning point

critical point

point of inflexion

35 / 195

Category: Math Ch 2 Class 12

A point where 1st derivative of function is zero , is called

Stationary point

corner point

point of concurrency

common point

36 / 195

Category: Chemistry Ch 10 Class 11

Oxidation state of P in Mg2P3O5 Is

+2

-2

-1

1

37 / 195

Category: Chemistry Ch 10 Class 11

What is the oxidation state of Mn in K2MnO4?

12

8

7

6

38 / 195

Category: Chemistry Ch 5 Class 11

d subshell has

3 orbitals

5 orbitals

7 orbitals

12 orbitals

39 / 195

Category: Chemistry Ch 5 Class 11

Diameter of Hydrogen atom is?

105.8 x 10-2 A

1.061 A

0.55 A

131.3 x 10-2A

40 / 195

Category: Math Ch 14

a

b

c

d

41 / 195

Category: Math Ch 14

a

b

c

d

42 / 195

Category: Math Ch 14

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

Periodic

continues

injective

bijective

43 / 195

Category: Math Ch 14

a

b

c

d

44 / 195

Category: Chemistry Ch 3 Class 11

Statement of Graham’s Law is

The rate of diffusion is directly proportional to the square root of its density

The rate of diffusion is inversely proportional to the square of its density

The rate of diffusion is inversely proportional to its density.

The rate of diffusion is inversely proportional to the square root of its density

45 / 195

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

46 / 195

Category: English Reading Comprehension

Passage 15 Hi, my name is Joshua. I am a financial adviser. Yesterday I had a very busy day. I woke up at half past six. Waking up was so hard that I needed to wash my face with cold water to open my eyes. Then I went to the kitchen and had a cup of coffee and toast for breakfast. I brushed my teeth, took the trash out, ironed my clothes and finally I got dressed up and left home around seven o’clock. I got on the bus at half past seven to downtown. I arrived at work at ten to eight. i needed to finish up six reports before noon. At twelve o’clock I had half an hour lunch with my colleagues. After lunch we had a meeting until two o’clock. Then I visited one of my clients at three o’clock to talk about his financial plans. I came back to work at around four o’clock and prepared three more reports. Finally, at six I was able to leave my office and l was exhausted by the time I got home. Which of the following questions you cannot answer?

a) Why was Joshua so sleepy?

b) How many reports did he finish?

c) What time did he have his lunch?

d) Why did he visit his client?

47 / 195

Category: Physics Ch 8 Class 11

A wave of light having the wave equation r = ro sin(wt) reflects from the water surface. After reflection, the equation of the wave will be:

r = r0cos(wt)

r = -r0cos(wt)

r = -r0sin(wt)

r = r0sin(wt)

48 / 195

Category: Physics Ch 8 Class 11

in an organ pipe if one side is closed, then it is proved that harmonics released will be

Even numbers

Odd numbers

Odd and even both

fractional numbers

49 / 195

Category: Math Ch 10

a

b

c

d

50 / 195

Category: Math Ch 10

Fundamental law of trigonometry is , ???(? − ?)

???????? + ????????

???????? − ????????

???????? + ????????

???????? − ????????

51 / 195

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

52 / 195

Category: Physics Ch 14 Class 12

If the direction of current in two parallel wires is In opposite direction, then the wires will:

Attract

Repel

Both a and b

None of these

53 / 195

Category: Physics Ch 14 Class 12

If length of solenoid gets doubled while keeping N (number of turns) constant, the resultant magnetic field will be?

B/2

B/4

2B

B/3

54 / 195

Category: Physics Ch 14 Class 12

The brightness spot on the screen in the CRO is controlled by:

Anode

Cathode

Grid

Filament

55 / 195

Category: Physics Ch 9 Class 11

Wave fronts coming from small light bulb

Spherical

Cylindrical

Plane

None

56 / 195

Category: Math Ch 7 Class 12

a

b

c

d

57 / 195

Category: Math Ch 7 Class 12

a

b

c

d

58 / 195

Category: Math Ch 7 Class 12

a

b

c

d

59 / 195

Category: Math Ch 7 Class 12

a

b

c

d

60 / 195

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

61 / 195

Category: Math Ch 7 Class 12

a

b

c

d

62 / 195

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

63 / 195

Category: Math Ch 7 Class 12

a

b

c

d

64 / 195

Category: Math Ch 7 Class 12

a

b

c

d

65 / 195

Category: Chemistry Ch 16 Class 12

Function of ozone Is?

To filter UV radiations

Act as a reducing agent

Act as an antibiotic

None of these

66 / 195

Category: Chemistry Ch 16 Class 12

Ozone Is

02

03

04

ps

67 / 195

Category: Math Ch 9

One rotation in anti-clock wise direction is equal to:

180°

270°

360°

90°

68 / 195

Category: Math Ch 9

Sexagesimal system is also called

German System

English System

C.G.S System

SI System

69 / 195

Category: Chemistry Ch 9 Class 11

The number of moles of solute dissolved per dm) of the solution is called

Molarity

Molality

Motality

Mole fraction

70 / 195

Category: Chemistry Ch 9 Class 11

Which of the following Is the smallest unit?

Molarity

Molality

PPM

Mole Fraction

71 / 195

Category: Physics Ch 11 Class 11

Entropy on melting of ice

Remains same

Increases

Decreases

Decreases slightly

72 / 195

Category: Physics Ch 11 Class 11

When earthquake occurs. What happens to the entropy of Earth?

It Increases

It Decreases

It Stays the Same

First Increases then decreases back to normal

73 / 195

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

74 / 195

Category: Math Ch 12

To solve an oblique triangle we use:

Law of Sine

Law of Cosine

Law of Tangents

All of these

75 / 195

Category: Math Ch 12

a

b

c

d

76 / 195

Category: Math Ch 12

a

b

c

d

77 / 195

Category: Math Ch 12

When we look an object below the horizontal ray, the angle formed is called angle of:

Elevation

depression

incidence

reflects

78 / 195

Category: Math Ch 12

When we look an object below the horizontal ray, the angle formed is called angle of:
(a) Elevation (b) ✔ depression (c) incidence (d) reflects

Elevation

depression

incidence

reflects

79 / 195

Category: Chemistry Ch 6 Class 11

Which of the following has the largest dipole moment?

H2

HI

HBr

HCI

80 / 195

Category: Chemistry Ch 6 Class 11

Structure of ammonia is:

Linear

AB4 (bent or angular)

AB3 (Trigonal)

AB4 (Trigonal pyramidal)

81 / 195

Category: Chemistry Ch 6 Class 11

Paramagnetism is due to:

Unpaired electron

Complete valence shell

Paired electron

Ionization

82 / 195

Category: Intelligence Odd One Out

Which one is odd?

Chess

Running

Walking

Jogging

83 / 195

Category: Intelligence Odd One Out

Pick the odd one out

Semicircle

Seminar

Semicolon

Semifinal

84 / 195

Category: Intelligence Odd One Out

Pick the odd one out

Trunk

Tree

Leaf

Flower

85 / 195

Category: Intelligence Odd One Out

Pick the odd one out

Natural gas

Gasoline

Coal

Biogas

86 / 195

Category: Intelligence Odd One Out

Choose the odd one out

Transistor

Post

Tape Recorder

87 / 195

Category: Physics Ch 3 Class 11

When a body is falling under the action of gravity the direction of acceleration is:

Upwards

Downwards

Towards Left

Towards Right

88 / 195

Category: Physics Ch 3 Class 11

A neutron collides with a stationary proton at rest. After collision

Proton moves with velocity double to that of neutron

Neutron comes to rest and proton moves with same velocity as that of neutron

Proton moves with double velocity in opposite direction

None of these

89 / 195

Category: Physics Ch 3 Class 11

Laws of motion describes?

Relationship of body, force and motion In response

Relationship of body and force

Relationship of force and motion

Relationship of body and motion in response

90 / 195

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

91 / 195

Category: Physics Ch 3 Class 11

The unit of impulse is same as of

Force

Momentum

Acceleration

Work

92 / 195

Category: Physics Ch 5 Class 11

When speed is doubled the centripetal force will be?

Same

Doubled

Tripled

Quadrupled

93 / 195

Category: Physics Ch 5 Class 11

Apparent weight of a body In an elevator accelerating downwards is given by

m (g + a)

ma

Zero

m (g — a)

94 / 195

Category: Physics Ch 5 Class 11

the period of rotation of geosynchronous satellite is

1 day

1 month

1 year

1.5 year

95 / 195

Category: Physics Ch 5 Class 11

A particle is moving in a uniform circular path. If its mass is reduced to half of its original mass, the force acting upon it will be?

Half

Doubled

Remain Same

None of these

96 / 195

Category: Chemistry

Water in solution acts as?

Acid

Base

May be acid or base

None of these

97 / 195

Category: Physics Ch 16 Class 12

Reactance of an Inductor Is given by:

wL

1/wL

wC

1/wC

98 / 195

Category: Physics Ch 16 Class 12

Power factor. of RLC circuit at Resonance Is

0

1

-1

0.5

99 / 195

Category: Physics Ch 16 Class 12

Resistance of RCL series circuit at resonance Is?

Xc

R

Xi

Xi R Xc

100 / 195

Category: Math Ch 8

a

b

c

d

101 / 195

Category: Physics Ch 19 Class 12

In Heisenberg Principle:

Position and Momentum cannot be measured accurately of sub-atomic particles

Position and Momentum cannot be measured accurately of electrons

position and Momentum can be measured accurately of electrons

Position and Momentum can be measured accurately of sub-atomic particles

102 / 195

Category: Physics Ch 19 Class 12

Sunlight will emit photo electrons when striking which of the following

Plastic

Water

Wood

Metallic object

103 / 195

Category: Physics Ch 19 Class 12

Black body emits which of the following radiations:

Visible light

Infra-red

UV

All electromagnetic radiations

104 / 195

Category: Physics Ch 19 Class 12

In E = aT4 E stands for??

Electric field

Energy per unit area

Energy

Energy per second per unit area

105 / 195

Category: Physics Ch 19 Class 12

Mass of a body with speed of light approaches to:

Ze ro

Infinity

Remains same

None of these

106 / 195

Category: Physics Ch 19 Class 12

The absolute standard of rest is:

Earth

Sun

Galaxy

Non- existent

107 / 195

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

108 / 195

Category: Physics Ch 21 Class 12

Muon has charge of?

-1e

0.5e

1e

none

109 / 195

Category: Physics Ch 21 Class 12

Which gas is not used in GM counter?

Argon

Neon

Hydrogen

Helium

110 / 195

Category: Chemistry Ch 4 Class 11

Molecular solids are different from others because they

Are formed by only non-polar molecules

Have low melting point

Have high conductivity

Have high density

111 / 195

Category: Chemistry Ch 4 Class 11

Viscosity of HF is: c) y d) a) Greater than 1120 b) Smaller than F120 c) Equal to HIO d) Plane of these

Greater than H2O

Smaller than H2O

Equal to H2O

None of these

112 / 195

Category: Chemistry Ch 6 Class 12

Transition elements are colored in which type of compounds?

Ionic

Covalent

Both a and b

None of these

113 / 195

Category: Physics Ch 15 Class 12

Torsion balance is used to measure:

Spring constant

Electric force

Gravitational constant

All

114 / 195

Category: Physics Ch 15 Class 12

If Ns/Np is the turn ratio, then for step up transformer

Ns > Np

Ns = Np

Ns < Np

None

115 / 195

Category: Physics Ch 15 Class 12

Which of the following statements is True about the A.0 and D.0 Generators?

Slip Rings for A.C and Split rings for D.C

Split rings for AC and Slip Rings for D.C

Either Slip rings for A.C or Split rings for D.C

Either Split rings for A.C or Slip rings for D.C

116 / 195

Category: Chemistry Ch 9 Class 12

The reaction of benzene with bromine gives?

Allkyl bromide

Hydrogen bromide

Bromo-phenol

Bromo cyclohexane

117 / 195

Category: Chemistry Ch 4 Class 12

In which of the following the oxidation state of S is the highest

SO2

SCl2

H2SO4

H2S03

118 / 195

Category: Math Ch 6

a

b

c

d

119 / 195

Category: Math Ch 6

a

b

c

d

120 / 195

Category: English Analogies

Canvas : Painter a)

leather : Shoe

Chisel : Wood

Marble : Sculptor

Hammer : Carpenter

121 / 195

Category: English Analogies

Traitor : Disloyalty

Executioner : Reliability

Rebel • Defiance

Manager : Administration

Hope : Pnssimism

122 / 195

Category: English Analogies

Dog : Kennel

Horse : Carriage

Sheep : Flock

Cow : Barn

Sports : Stadium

123 / 195

Category: English Analogies

Fox : Cunning a)

Cat : Playful

) Horse : Runner

Vixen : Cute

Ant : Industrious

124 / 195

Category: English Analogies

Revolver : Holster

Book : Bag

Eye : Eyelid

Juice : Glass

Nostril : Nose

125 / 195

Category: English Analogies

Yawn : Boredom

Anger : Madness

Dream : Sleep

Smile : Amusement

Impatience: Rebellion

126 / 195

Category: Physics Ch 4 Class 11

In which of the following case(s) the work done be positive?

Object moves in the direction of Force

Object moves in opposite direction of Force

Object moves at Right Angle to the Force

Both a and c

127 / 195

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

128 / 195

Category: Physics Ch 4 Class 11

From the given options, which one lists the amount of work done from smallest to Largest displacement is In forward direction?

a

b

c

d

129 / 195

Category: Physics Ch 4 Class 11

Joules

Watt/second

Newton Meter

Newton/meter

Watt second

130 / 195

Category: Physics Ch 4 Class 11

Minimum velocity needed to put the satellite into orbit is

7.9

5.6

6.2

None of these

131 / 195

Category: Math Ch 13

a

b

c

d

132 / 195

Category: Math Ch 13

a

b

c

d

133 / 195

Category: Math Ch 13

a

b

c

d

134 / 195

Category: Math Ch 13

a

b

c

d

135 / 195

Category: Chemistry Ch 14 Class 12

Teflon contains which of the following halide?

Chlorine

Bromine

Fluorine

All of these

136 / 195

Category: Chemistry Ch 14 Class 12

Which of the following has less amount of protein a

Potato

Milk

Egg

Fruit

137 / 195

Category: Chemistry Ch 14 Class 12

Polymer having a characteristics odour and mostly used as an adhesive material is

Polyvinyl chloride

Poly styrenec

Ploride

Polyvinyl acetate

138 / 195

Category: Chemistry Ch 14 Class 12

) Nylon 6 —6 Is obtained by heating adipic acid with:

Hexethylene Diamine

Hexmethylene Diamine

hexmethylene amine

hexdimethylene diamine

139 / 195

Category: Chemistry Ch 14 Class 12

Starch is a polymer of: N

a-d glucos

b-d glucose

Amino acids

Amylose

140 / 195

Category: Math Ch 7

A coin is tossed 5 times , then ?(?) is equal to:

32

25

10

20

141 / 195

Category: Math Ch 7

a

b

c

d

142 / 195

Category: Math Ch 7

a

b

c

d

143 / 195

Category: Chemistry Ch 13 Class 12

Vinegar is basically acid:

Acetic

Citrus

Formic

Butyric

144 / 195

Category: Chemistry Ch 13 Class 12

) Acetic acid is used in making

Leather shoes

Rubber shoes

Plastic shoe

None of thes

145 / 195

Category: Chemistry Ch 2 Class 11

Slow cooling yields crystals of length?

Medium size

Small

Bigger

None of these

146 / 195

Category: Physics

Which material is used as common conductor In daily use?

Copper

Aluminium

Steel

Nickle

147 / 195

Category: Physics

Which is evaporating cooler?

Air conditioner

Desert cooler

Room cooler

Projector

148 / 195

Category: Chemistry Ch 7 Class 11

Burning of fuel is a

Endothermic

Exothermic

Both a & b

None of these

149 / 195

Category: Intelligence Coding — Decoding

If BEYOND is coded as AFXPME, then code FALCON using same sequence.

EBKNMO

EBKDNO

EZKOMD

EZKOND

150 / 195

Category: Intelligence Coding — Decoding

The coding for READING is 1234567, find the coding for RING

1567

1479

1917

1947

151 / 195

Category: Math Ch 5 Class 12

The non-negative constraints are also called

Decision variable

Convex variable

Decision constraints

concave variable

152 / 195

Category: Math Ch 5 Class 12

The point where two boundary lines of a shaded region intersect is called _____ point.

Boundary

corner

stationary

feasible

153 / 195

Category: Math Ch 5 Class 12

a

b

c

d

154 / 195

Category: Math Ch 5 Class 12

The number of variables in ?? + ?? ≤ ? are

1

2

3

4

155 / 195

Category: Math Ch 5 Class 12

The symbols used for inequality are

1

2

3

4

156 / 195

Category: Math Ch 5 Class 12

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

Subjective

objective

qualitative

quantitative

157 / 195

Category: Math Ch 5 Class 12

The graph of corresponding linear equation of the linear inequality is a line called________

Boundary line

hor izontal line

vertical line

inclined line

158 / 195

Category: Math Ch 5 Class 12

The feasible solution which maximizes or minimizes the objective function is called

Exact solution

optimal solution

final solution

objective function

159 / 195

Category: Math Ch 5 Class 12

(0,0) is the solution of the inequality

7? + 2? > 0

2? − ? > 0

? + ? ≥ 0

3? + 5? < 0

160 / 195

Category: Math Ch 1 Class 12

a

b

c

d

161 / 195

Category: Math Ch 1 Class 12

a

b

c

d

162 / 195

Category: Math Ch 1 Class 12

The term “Function” was recognized by______ to describe the dependence of one quantity
to another.

Lebnitz

Euler

Newton

Lagrange

163 / 195

Category: Math Ch 1 Class 12

a

b

c

d

164 / 195

Category: Physics Ch 17 Class 12

Pascal is equal to:

Newton meter squared

Newton per meter squared

Newton meter cubed

Newton per meter cubed

165 / 195

Category: Physics Ch 17 Class 12

Aluminum Is a

Metal

Non Metal

Photo conductor

Semiconductor

166 / 195

Category: Chemistry Ch 11 Class 12

Methylated spirit Is % methanol and % ethanol:

5 and 95

20 and 80

60 and 40

50 and 50

167 / 195

Category: English Spellings Correction

Choice Correct Spelling

Emoticon

Emotacon

Emuticon

Imoticon

168 / 195

Category: English Spellings Correction

Choice Correct Spelling

Extravagant

Axtravagant

Extravegant

Extravigant

169 / 195

Category: English Spellings Correction

Choice Correct Spelling

Arguably

Argably

Argubly

Arguable

170 / 195

Category: English Spellings Correction

Choice Correct Spelling

Procedure

Procidure

Procedore

Procedare

171 / 195

Category: English Spellings Correction

Choice Correct Spelling

Commemorate

Commimorate

Commamorate

Commomorate

172 / 195

Category: English Spellings Correction

Choice Correct Spelling

Comperable

Comparable

Compirable

Camparable

173 / 195

Category: Physics Ch 10 Class 11

Which one type of fibre is more suitable for transmission of signals in which white light is used?Which one type of fibre is more suitable for transmission of signals in which white light is used?

Mono mode step index fibre

Multi mode step index fibre

Multi mode graded index fibre

Single mode step index fibre

174 / 195

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

175 / 195

Category: Physics Ch 10 Class 11

The least distance of distinct vision for normal eye is approximately

10 cm

15 cm

20 cm

25 cm

176 / 195

Category: Physics Ch 10 Class 11

Image of an object 5 mm high is only 1 cm high. Magnification produced by lens is

0.5

0.2

1

2

177 / 195

Category: Math Ch 4 Class 12

In the normal form, ????? + ????? = ? the value of ? is

Positive

Negative

positive or negative

Zero

178 / 195

Category: Math Ch 4 Class 12

If all the sides of four sided polygon are equal but the four angles are not equal to ??° each
then it is a

Kite

rhombus

||gram

trapezoid

179 / 195

Category: Math Ch 4 Class 12

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

Centroid

centre

orthocenter

circumference

180 / 195

Category: Math Ch 4 Class 12

a

b

c

d

181 / 195

Category: Math Ch 4 Class 12

a

b

c

d

182 / 195

Category: Math Ch 4 Class 12

a

b

c

d

183 / 195

Category: Math Ch 4 Class 12

The straight line which passes through one vertex and perpendicular to opposite side is
called:

Median

altitude

perpendicular bisector

normal

184 / 195

Category: Math Ch 4 Class 12

The lines lying in the same plane are called

Collinear

coplanar

non-collinear

non-coplanar

185 / 195

Category: Math Ch 4 Class 12

The Normal form of the equation of the straight line is

? = ?? + ?

? − ?1 = ?(? − ?1)

?/?+?/?= 1

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

186 / 195

Category: Chemistry Ch 11 Class 11

Half-life of iron is? (A=59)

44.5 days

1.3 million years

3.8 days

2.5 billion years

187 / 195

Category: Math Ch 6 Class 12

a

b

c

d

188 / 195

Category: Math Ch 6 Class 12

The chord containing the centre of the circle is

Radius of circle

Diameter of circle

Area of circle

Tangent of circle

189 / 195

Category: Math Ch 6 Class 12

The focal chord is a chord which is passing through

Vertex

Focus

Origin

None of these

190 / 195

Category: Math Ch 6 Class 12

The circle whose radius is 1 is called:

Unit circle

point circle

circumcircle

in-circle

191 / 195

Category: Physics Ch 7 Class 11

Which of the following Is true for a wave entering a denser medium?

Reflected away from normal

Refracted towards normal

Reflected towards normal

Refracted away from normal

192 / 195

Category: Physics Ch 7 Class 11

Seconds pendulum has time period

1 sec

2 sec

4 sec

0.5 sec

193 / 195

Category: Physics Ch 7 Class 11

On increasing the spring constant to 4 times its value:

Frequency of mass spring system doubles

Time period of mass spring system doubles

Both time period & frequency gets double

None of these

194 / 195

Category: Physics Ch 7 Class 11

In S.H.M which of the following remains constant?

Total energy

P.F at extreme

K.E at mean

All of these

195 / 195

Category: Physics Ch 7 Class 11

If length of the pendulum is halved time ‘period will be?

T/sq root 2

T/2

T/3

T/4

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