FSC Physics MCQs Chapter 1 Class 11

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Created on February 02, 2022 By Ali Durrani

Physics Ch 1 Class 11

1 / 70

Dimension of power?

M^1L^2T^-2

M^1L^2T^-3

M^0L^-1^0

M^-1L^2T^3

2 / 70

SI unit of acceleration is

ms^-1

ms^-2

ms^2

3 / 70

Which one of the following physical quantity does not the dimension of force per unit area

ETEA 2019
Physics
Measurements
Elimination Tool:

A) Stress

B) Strain

C) Young modulus

D) Pressure

4 / 70

Volume of sphere having radius 17 cm Is:

20579.53 cm^3

0.03 cm^3

0.08 cm^3

0.01 cm^3

5 / 70

Which measure Is nearest to your height?

0.01 cm

2 cm

40 cm

160 cm

6 / 70

Which of the following is NOT a unit of energy?

PMC 2021 Tested
Physics
Work, Power & Energy
Measurements
Elimination Tool:

A) Calorie

B) None of these

C) Kilowatt

D) Joule

7 / 70

In the SI system of units, the fundamental units of mass, time and length are ____, _____ and ______ respectively.

NUMS 2019 Reconduct
Physics
Measurements
Elimination Tool:

A) Centimeter, Centigram and Second

B) Kilometer, Kilogram and Second

C) Kilogram, Second and Meter

D) Kilogram, Second and Kilometer

8 / 70

Identify the dimensions of area, velocity and acceleration respectively: ( where L= Length, T=Time)

NTS 2015 SMBBMC
Physics
Measurements
Elimination Tool:

A) L2T2, LT2, LT-1

B) L2, LT-1, LT-2

C) LT-1, LT-2, L2

D) LT-1,LT-1, L2

9 / 70

Zeros are always considered significant when they are

In between non-zero digits

On left of non-zero digits

On right of non-zero digits

All of the above

10 / 70

Parsec(pc) is the unit of ?

Frequency

Mass

Distance

Time

11 / 70

The dimensions of momentum are the same as that of:

PMC 2021 Tested
Physics
Forces and Motion
Measurements
Elimination Tool:

A) All of these

B) Power

C) Impulse

D) Planck’s constant

12 / 70

Ratio of Nano to Atto Is:

10^9

10^8

10^12

10^-9

13 / 70

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

LT^-1 & LT^-2

LT^-1 & T

L^-2T & T

None

14 / 70

The unit of temperature in base unit is:

UHS 2015
Physics
Measurements
Elimination Tool:

A) Celsius

B) Degree

C) Kelvin

D) Fahrenheit

15 / 70

1 Inch = —- cm

2.50

2.52

2.54

2.56

16 / 70

The different magnitudes of same physical quantities are measured by comparing them to:

UHS 2018
Physics
Measurements
Elimination Tool:

A) Available scale

B) Standard size

C) Each other

D) Other physical quantities

17 / 70

if v is the velocity of an object, then the following equation is always:

[1-v²/c²]^-0.25

Greater than 1

) less than 1

Equal to 1

None

18 / 70

Which of the following quantity has the dimension MLT^-1

force

Work

Momentum

Pressure

19 / 70

Percentage uncertainty in length and width of a rectangle is 2% and 3%. The total uncertainty in the area of that rectangle is?

UHS 2019
Physics
Measurements
Elimination Tool:

A) 1.5%

B) 5%

C) 1%

D) 6%

20 / 70

When the dimensions of both sides of an equation are equal, then the equation is said to be:

UHS 2011
Physics
Measurements
Elimination Tool:

A) Simultaneous

B) Homogeneous

C) Instantaneous

D) Quadratic

21 / 70

Which experimental technique reduces the systematic error of the quantity being investigated?

ETEA 2017
Physics
Measurements
Elimination Tool:

A) Adjusting am ammeter to remove its zero error before measuring a current.

B) Measuring several inter modal distance on a standing wave to find the mean inter modal distance

C) Measuring the diameter of a wire repeatedly and calculating the average.

D) Timing a large number of oscillation to find a period

22 / 70

A quantity 𝑥 is to be determined from the equation, 𝑥 = 𝑃 – 𝑄. 𝑃 is measured as (1.27 ± 0.02) 𝑚 and 𝑄 is measured as (0.83 ± 0.01) 𝑚. What is the percentage uncertainty in 𝑥 to one significant figure?

ETEA 2018
Physics
Measurements
Elimination Tool:

A) 0.4%

B) 2%

C) 3%

D) 7%

23 / 70

Which set of the prefixes gives values in increasing order?

UHS 2014
Physics
Measurements
Elimination Tool:

A) Pico, Mega, Kilo, Tera

B) Pico, Micro, Mega, Giga

C) Tera, Pico, Micro, Kilo

D) Giga, Kilo, Milli, Nano

24 / 70

The velocity of a particle is related to time according to the equation

V= ct3. The dimensions of constant are _______.

NTS 2019
Physics
Measurements
Elimination Tool:

A) L-1 T-1

B) L T-3

C) LT -4

D) L-2 T-2

25 / 70

Name the quantity which can be measured by using the base unit kgm2s-3

UHS 2013
Physics
Measurements
Elimination Tool:

A) Weight

B) Pressure

C) Power

D) Work

26 / 70

Pa m² is the unit of

Work

Pressure

force

Power

27 / 70

Unit of light year Is:

Seconds

Meter

Meter/Second

Volts

28 / 70

Which one of the following Is correct

1GeV=10^3 eV

1Mev=10^6 eV

1eV =1.6 x 10^-19 j

All of the above

29 / 70

What are the Dimensions of P^2/m, where P is the momentum and m is the mass?

M^2 L^2 T^2

M^2 L^2 T^-2

M L^2 T^-2

M LT^-2

30 / 70

Percentage uncertainty in length and width of a rectangle is 2% and 3%. The total uncertainty in the area of that rectangle is?

UHS 2019
Physics
Measurements
Elimination Tool:

A) 1.5%

B) 5%

C) 1%

D) 6%

31 / 70

The dimensional formula for change in momentum is same as that for:

ETEA 2018
Physics
Measurements
Elimination Tool:

A) Force

B) Impulse

C) Acceleration

D) Velocity

32 / 70

The number L = 8.0 x 104cm can be expressed as ________.

NUMS 2019 Reconduct
Physics
Measurements
Elimination Tool:

A) L = 8.0 x 106 mm

B) L = 0.8 km

C) L = 0.8 x 102 m

D) L = 8.0 x 103 m

33 / 70

The dimensions of volume and acceleration (respectively) are:

NTS 2010
Physics
Measurements
Elimination Tool:

A) LT-1

B) LT-2 and LT-1

C) L3 and LT-2

D) L4 T-1 and LT

34 / 70

The unit of velocity is:

PMC Sample 2
Physics
Measurements
Elimination Tool:

A) m

B) m s

C) m / s

D) m / s^2

35 / 70

1 femto is equal to

10 atto

100 atto

1000 atto

10000 atto

36 / 70

Which one has least value?

femto

Pico

atto

milli

37 / 70

Branch of physics which deals with sub atomic particles.

Atomic physics

Particle physics

Molecular physics

Nuclear physics

38 / 70

The dimensions of acceleration are:

NTS 2011
Physics
Measurements
Elimination Tool:

A) LT-1

B) LT-2

C) L3

D) L2

39 / 70

Least count of micrometer screw gauge is

0.02 cm

0.01 cm

0.01 mm

0.02 mm

40 / 70

Which of the following is dimensionless quantity?

NUMS 2018
Physics
Measurements
Elimination Tool:

A) Power

B) Frequency

C) Refractive Index

D) Impulse

41 / 70

What Is absolute uncertainty In length of 10m measured by scale of precision of 0.1m?

0.1

0.01

1.5

42 / 70

What are the units of a and b In v = a + bt, where unit of v=ms^-1 and t=s

ms^-1 and ms^-2

ms^-1 and ms^-1

ms^-2 and ms^-2

ms^-2 and ms^-1

43 / 70

A value for the acceleration of free fall on earth is given as (10+-2) m s-2. Which statement is correct?

ETEA 2017
Physics
Measurements
Elimination Tool:

A) The value is accurate but not precise

B) The value is both accurate and precise.

C) The value is neither precise nor accurate.

D) The value is precise but not accurate.

44 / 70

What is 1 radian in degrees approximately

PMC Sample 3
Physics
Measurements
Elimination Tool:

A) 57.3 degrees

B) 360 degrees

C) π degrees

D) π^2 degrees

45 / 70

if 5.1 and 3.014 added. the number of significant figures will be in final answer

46 / 70

Weight Is equivalent to which of the following

Momentum

Energy

Acceleration

Force

47 / 70

Which of the following is a supplementary physical quantity?

UHS 2017 Reconduct
Physics
Measurements
Elimination Tool:

A) Radian

B) Steradian

C) Both Radian & Steradian

D) None of the given options

48 / 70

Which of the following is not a base unit in the SI system?

NTS 2016 SMBBMC
Physics
Measurements
Elimination Tool:

A) Ampere

B) Second

C) Meter per second

D) Candela

49 / 70

A metal sphere of radius r is dropped into a tank of water. As it sink at speed v, it experience a drag force F given by F= krv, where k is a constant: What are the SI base units of k?

ETEA 2017
Physics
Measurements
Elimination Tool:

A) kg m2s-1

B) kg m2s-2

C) kg m-1s-1

D) kg ms-2

50 / 70

SI unit of velocity Is

s/m

m/s

s/m2

51 / 70

In SI units, the unit of Candela is used for the measurement of:

NTS 2016 DUHS & JSMU
Physics
Measurements
Elimination Tool:

A) Heat intensity

B) Light intensity

C) Energy/time

D) Energy/area

52 / 70

In the SI system of units, the fundamental units of length, mass, and time are ____, _____ and respectively:

NTS 2019
Physics
Measurements
Elimination Tool:

A) Meter Kilogram and Kilo second

B) A kilometre, Kilogram and hour

C) Meter, Kilogram, and Second

D) Centimetre, Centigram and Second

53 / 70

Suppose A =4.1, and B= 3.26 and the result from calculator comes to be 1.00876543. What should be the correct number of significant figures In final answer If multiplication and division only?

54 / 70

Unit of pressure?

Kelvin

Candela

Pascal

Joule

55 / 70

Dimensions of torsional couple Is similar to the dimension of

Power

Current

Work

Galvanometer constant

56 / 70

The SI unit of mass is?

Miligram

Gram

Kilogram

Ton

57 / 70

Force is a derived quantity, its derived unit can be expressed in terms of the base units as:

UHS 2018
Physics
Measurements
Elimination Tool:

A) Kgms-2

B) Kgcms-2

C) Kgm2s2

D) Kgms2

58 / 70

Which of the following is not a S.I. base quantity.

NUMS 2018
Physics
Measurements
Elimination Tool:

A) Mass

B) Intensity of light

C) Velocity

D) Length

59 / 70

The base units of Young’s Modulus are:

NUMS 2019 Reconduct
Physics
Measurements
Elimination Tool:

A) kg m-1s-2

B) kg m-2s-2

C) kg m-3s-2

D) kg ms-3

60 / 70

Number of Significant figures in 0.001634 Is:

None

61 / 70

Electric charge on an object is measured as 5 microcoulombs. How the value of this charge can be expressed in terms of base units:

UHS 2012
Physics
Measurements
Elimination Tool:

A) 5 x 100 ampere second

B) 5 x 10-6 ampere second

C) 5 x 10+6 coulomb second

D) 5 x 100 coulomb second

62 / 70

1 rad is equal to how many degrees

57.196

57.296

58.196

58.296

63 / 70

1 light year distance is the:

PMC Practice 5
Physics
Measurements
Elimination Tool:

A) Distance traveled by earth in one year

B) Distance traveled by a star in one year

C) Distance traveled by light in one year

D) Distance travelled by light in one galactic year

64 / 70

Molar mass of water is:

PMC Sample 2
Physics
Measurements
Elimination Tool:

A) 0.018 kg/mol

B) 0.108 kg/mol

C) 0.027 kg/mol

D) 0.0635 kg/mol

65 / 70

The dimensions of angular velocity (ω) is:

NUMS 2019 Cancelled
Physics
Measurements
Elimination Tool:

B) MLT-1

C) MLT-2

D) M0L-2T-3

E) M0L0T-1

66 / 70

Dimensions of work?

MLT^-2

ML^-1T^-2

ML^2T^2

ML^2T^-2

67 / 70

1 femto

a) 10-15

b) 10-9

c) 10-6

d) None

68 / 70

The length and width of a rectangular plate are measured to be 15.3 mm and 12.50 mm. Find the area of the plate up to an appropriate number of significant figures.

NUMS 2017
Physics
Measurements
Elimination Tool:

A) 191.25 mm2

B) 195.8 mm2

C) 196 mm2

D) 200 mm2

69 / 70

If A = 2.79 and B = 8.1 , then A+B =?

10.89

10.9

None

70 / 70

Radian Is a:

Base unit

Derived unit

Supplementary unit

None

Your score is

The average score is 63%

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FSC Physics MCQs Chapter 1 Class 11

Learn Anytime Anywhere

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FSC Physics MCQs Chapter 1 Class 11

Learn Anytime Anywhere

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