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

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