FSc Part 1 Chapter 1 Measurements - MCQs Online Test

 

FSc Part 1 Chapter 1 Measurements - MCQs Online Test. Attempt online-based multiple-choice questions (MCQs) with answers of Physics Part-I, FSc. | ICS Chapter No.1: Measurements, for the exams, entry tests i.e., ECAT, for interview MCQs based questions for jobs.

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➤ Measurements - MCQs-1
➤ Measurements - MCQs-3
➤ Measurements - Short Questions-1
➤ Measurements - Short Questions-2

 

Chapter No.1: Measurements

MCQs Online Test

 

1. Experimentation and practical verification were first introduced by?
   1.   Greek philosophers
   2.   European scientists
   3.   Muslim scientists
   4.   None of these
2. Physics based on Newtonian mechanics is called?
   1.   Astrophysics
   2.   Classical physics
   3.   Modern physics
   4.   Meta physics
3. Pascal is famous for his work?
   1.   Hydrostatics
   2.   Hydrodynamics
   3.   Laws of gases
   4.   Behavior of elastic bodies
4. SI was established in?
   1.   1960
   2.   1967
   3.   1971
   4.   Velocity
5. Basic quantity among the following is?
   1.   Torque
   2.   Force
   3.   Mass
   4.   Velocity
6. Which one of the scientist made some contribution to geometrical optics?
   1.   Archimedes
   2.   Pythagoras
   3.   Euclid
   4.   Plato
7. Which of the following is derived quantity?
   1.   Time
   2.   Area
   3.   Length
   4.   Mass
8. Which of the following is a set of supplementary units?
   1.   Radian & kilogram
   2.   Steradian & time
   3.   Mole & radian
   4.   Radian & steradian
9. SI unit for measuring plane angle is?
   1.   Radian
   2.   Steradian
   3.   Radian & steradian
   4.   None of these
10. SI unit of time was redefined in?
    1.   1900
    2.   1960
    3.   1967
    4.   1983
11. Physical quantities are divided into?
    1.   Six categories
    2.   Three categories
    3.   Two categories
    4.   None of these
12. Quantities which are defined in terms of other physical quantities are called ___ quantities?
    1.   Derived
    2.   Base
    3.   Derived & base
    4.   None of these
13. The basic units in SI units are?
    1.   Three
    2.   Five
    3.   Two
    4.   Seven
14. Fundamental quantities which form basic for MKS system are?
    1.   Mass, work & time
    2.   Mass, acceleration & time
    3.   Velocity, force & time
    4.   Mass, length & time
15. Supplementary units are?
    1.   Five
    2.   Three
    3.   Two
    4.   One
16. The SI unit of solid angle is?
    1.   Radian
    2.   Steradian
    3.   Degree
    4.   None of these
17. The system international (SI) built up from?
    1.   Derived units
    2.   Basic units
    3.   Supplementary units
    4.   All of these
18. Meter is the basic unit of?
    1.   Length
    2.   Mass
    3.   Force
    4.   Velocity
19. The kilogram is the basic unit of?
    1.   Length
    2.   Mass
    3.   Weight
    4.   Time
20. One mile is equal to ___ km?
    1.   1.625
    2.   1.609
    3.   1.325
    4.   1.850
21. One inch is equal to ___ cm?
    1.   1.32
    2.   25.4
    3.   2.10
    4.   2.54
22. One foot is equal to ___ cm?
    1.   31.90
    2.   30.84
    3.   30.48
    4.   84.30
23. Number of nano second in a year is?
    1.   `3.1536\times10^7`
    2.   `3.1536\times10^9`
    3.   `3.1536\times10^{16}`
    4.   None of these
24. One year is equal to?
    1.   `3.2\times10^7 sec`
    2.   `2.25\times10^7 sec`
    3.   `3.35\times10^7 sec`
    4.   None of these
25. Light year is the unit of?
    1.   Light
    2.   Time
    3.   Velocity
    4.   Distance
26. The SI unit of force is?
    1.   Newton
    2.   Joule
    3.   Dyne
    4.   Volt
27. The SI unit of work is?
    1.   Newton
    2.   Joule
    3.   Dyne
    4.   Volt
28. The SI unit of power is?
    1.   Newton
    2.   Watt
    3.   Dyne
    4.   Ampere
29. The SI unit of intensity of light is?
    1.   Joule
    2.   Mole
    3.   Kilomole
    4.   Candela
30. The SI unit of amount of substance is?
    1.   Joule
    2.   Mole
    3.   Volt
    4.   Ohm
31. The SI unit of angular momentum is?
    1.   kg m/s
    2.   kg m/`s^2`
    3.   kg `m^2`/s
    4.   None of these
32. Time taken by light to reach from sun to earth is?
    1.   7 min 20 sec
    2.   8 min 20 sec
    3.   9 min 20 sec
    4.   None of these
33. Time taken by light to reach from moon to earth is?
    1.   1 min 20 sec
    2.   8 min 20 sec
    3.   2 min 20 sec
    4.   3 min 20 sec
34. Number of seconds in a day is?
    1.   9000 sec
    2.   86400 sec
    3.   43200 sec
    4.   36000 sec
35. The unit of pressure in base units is?
    1.   `kg/m-s^2`
    2.   `kg/ms`
    3.   `kg m s^2`
    4.   None of these
36. Mean radius of the earth is?
    1.   `6.4\times 10^9 mm`
    2.   `6.4\times 10^3 mm`
    3.   `6.4\times 10^6 mm`
    4.   None of these
37. Solid angle subtended at the centre by a sphere of radius r is?
    1.   `2\pi`
    2.   `3\pi`
    3.   `6\pi`
    4.   `4\pi`
38. Steradian is defined by?
    1.   `\frac{"area of a strip"}{(radius)^2}`
    2.   `\frac{"arc length"}{radius}`
    3.   `\frac{area}{(radius)^2}`
    4.   None of these
39. The unit of thermodynamic temperature is?
    1.   K
    2.   `C^\circ`
    3.   `F^\circ`
    4.   None of these
40. One atto is?
    1.   `10^{-20}`
    2.   `10^{-16}`
    3.   `10^{-14}`
    4.   `10^{-18}`
41. One femto is?
    1.   `10^{-16}`
    2.   `10^{-12}`
    3.   `10^{-15}`
    4.   `10^{-9}`
42. One pico is?
    1.   `10^{-16}`
    2.   `10^{-12}`
    3.   `10^{-18}`
    4.   `10^{-10}`
43. The number of significant figures, with the increases accuracy of the measuring instruments?
    1.   Decreases
    2.   Increases
    3.   Remains unchanged
    4.   None of these
44. The number of significant figures, with the increases degree of approximation?
    1.   Decreases
    2.   Increases
    3.   Remains unchanged
    4.   None of these
45. The number of significant figure in `8.80\times10^6` kg is?
    1.   1
    2.   5
    3.   3
    4.   6
46. The number of 64.350 is rounded off as?
    1.   64.35
    2.   64.46
    3.   64.36
    4.   64.4
47. In scientific notation, the number 0.01 may be written as?
    1.   `10^{-2}`
    2.   `10^{-4}`
    3.   `10\times10^{-4}`
    4.   `1\times10^{-4}`
48. The number of significant figures in 0.809999 is?
    1.   2
    2.   5
    3.   3
    4.   4
49. If length = 0.233 m and width = 0.178 m, the most accurate area expressed space of significant figures is?
    1.   `0.041 m^2`
    2.   `0.0415 m^2`
    3.   `0.041747 m^2`
    4.   None of these
50. The number 0.0001 in scientific notation is?
    1.   `1\times10^{4}`
    2.   `10^{-3}`
    3.   `10\times10^{4}`
    4.   `10^{-4}`
51. One mega is equal to?
    1.   `10^{6}`
    2.   `10^{-6}`
    3.   `10^{3}`
    4.   `10^{9}`
52. Significant figures in 0.000546 are?
    1.   3
    2.   4
    3.   5
    4.   1
53. The error in a certain measurement occurs due to?
    1.   Negligence of a person
    2.   In appropriate technique
    3.   Faulty apparatus
    4.   All of these
54. The uncertainty may occur due to?
    1.   Limitation of an instrument
    2.   Natural variance of the object
    3.   Personal negligence
    4.   All of these
55. Systematic error occurs due to?
    1.   Instrument
    2.   Zero error of the instrument
    3.   Instrument + zero error of instrument
    4.   None of these
56. The least count of a unit meter rod is?
    1.   0.01 cm
    2.   0.01 mm
    3.   Cannot be zero
    4.   Can be zero
57. The significant figure in 0.0010 is?
    1.   4
    2.   3
    3.   2
    4.   1
58. A precise measurement is one which has?
    1.   Less precision
    2.   Maximum precision
    3.   Absolute precision
    4.   All of these
59. Total fractional uncertainty in the period `T=2\pi\sqrt{\frac{l}{g}}` will be equal to?
    1.   Sum of fractional uncertainty
    2.   Different of uncertainties
    3.   Product of uncertainties in `l` and `g`
    4.   None of these
60. % uncertainty in the time period of a vibrating body is calculated by?
    1.   Least count `\times` Number of vibrations
    2.   Least count / Number of vibrations
    3.   Number of vibrations / least count
    4.   `\frac{"Least count"}{"Number of vibrations"}\times 100`
61. Dimensional analysis helps in?
    1.   Finding relations between quantities
    2.   To convert one unit into another
    3.   To confirm the correct answer
    4.   All of these
62. The dimension of force is?
    1.   `[ML^2T^{-2}]`
    2.   `[M^2L^{-2}T]`
    3.   `[MLT^{-2}]`
    4.   `[MLT]`
63. The dimension `[ML^2T^{-2}]` belongs to?
    1.   Pressure
    2.   Energy
    3.   Momentum
    4.   Power
64. `[ML^{-1}T^0]` is the dimension of?
    1.   Surface density
    2.   Linear mass density
    3.   Volume mass density
    4.   Wight density