20 Most Important MCQs For Competitive Exam, Topic: "Units and Measurements"
In this segment we will learn and try to memorize 100 Most Important MCQs For Competitive Exam, Topic: Units and Measurements. This is part:03.
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Topic: Units & Measurements
Part-03
41. What is the unit of intensity of sound?
a) Hertz
b) Watt/m²
c) Joule
d) Ampere
Answer: b) Watt/m²
42. The dimensional formula for electric charge is:
a) [MT²A⁻¹]
b) [M⁰L⁰T¹I¹]
c) [MLT⁻¹]
d) [MT⁻²A]
Answer: b) [M⁰L⁰T¹I¹]
43. What is the unit of magnetic moment?
a) Joule
b) Tesla
c) Weber
d) Am²
Answer: d) Am²
44. What is the dimensional formula of Planck's constant?
a) [ML²T⁻¹]
b) [MLT⁻²]
c) [ML²T⁻²]
d) [ML⁻²T²]
Answer: a) [ML²T⁻¹]
45. What is the unit of coefficient of friction?
a) Newton
b) Dimensionless
c) Pascal
d) Joule
Answer: b) Dimensionless
46. The unit of thermal conductivity is:
a) Watt/mK
b) Joule/m²
c) Newton/m
d) Ohm/m
Answer: a) Watt/mK
47. Which of the following is a fundamental unit?
a) Mole
b) Pascal
c) Newton
d) Joule
Answer: a) Mole
48. The unit of electrical conductivity is:
a) Ohm
b) Siemens
c) Farad
d) Coulomb
Answer: b) Siemens
49. Dimensional formula of impulse is the same as that of:
a) Force
b) Momentum
c) Pressure
d) Energy
Answer: b) Momentum
50. Which of the following is the unit of angular momentum?
a) Joule
b) Newton-second
c) kg m²/s
d) Watt
Answer: c) kg m²/s
51. The unit of surface energy is:
a) Joule
b) Newton
c) Joule/m²
d) Pascal
Answer: c) Joule/m²
52. Which unit is used to measure heat capacity?
a) Joule
b) Joule/Kelvin
c) Watt
d) Coulomb
Answer: b) Joule/Kelvin
53. What is the dimensional formula of magnetic flux?
a) [ML²T⁻²I⁻¹]
b) [ML²T⁻²I⁻²]
c) [MLT⁻²]
d) [MT²I⁻¹]
Answer: a) [ML²T⁻²I⁻¹]
54. The unit of moment of inertia is:
a) kg m/s²
b) kg m²
c) kg/m
d) Joule
Answer: b) kg m²
55. The dimensional formula of potential energy is:
a) [ML²T⁻²]
b) [MLT⁻²]
c) [ML⁻²T⁻²]
d) [M²LT⁻²]
Answer: a) [ML²T⁻²]
56. Which of the following has the unit of Pascal?
a) Pressure
b) Force
c) Energy
d) Velocity
Answer: a) Pressure
57. The unit of electric field strength is:
a) Coulomb
b) Newton/Coulomb
c) Joule/Coulomb
d) Tesla
Answer: b) Newton/Coulomb
58. What is the unit of resistivity?
a) Ohm-meter
b) Farad-meter
c) Joule-meter
d) Volt-meter
Answer: a) Ohm-meter
59. Which unit is used to measure torque?
a) Joule
b) Newton-meter
c) Watt
d) Newton
Answer: b) Newton-meter
60. The unit of angular acceleration is:
a) Radian/second²
b) Radian/second
c) Meter/second²
d) Newton/second²
Answer: a) Radian/second²
Hope this helped you a lot. If you have any doubt you can contact us. For mor questions check below 👇
- 100 MCQ Question on "Units and measurements" > Part: 01 (Q01 to Q20)
- 100 MCQ Question on "Units and measurements" > Part:02 (Q21 to Q40)
- 100 MCQ Question on "Units and measurements" > Part: 04 (Q61 to Q80)
- 100 MCQ Question on "Units and measurements" > Part: 05 (Q81 to Q100)