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:04.
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Topic: Units & Measurements
Part-04
61. The SI unit of entropy is:
a) Joule/Kelvin
b) Joule/m²
c) Newton/Kelvin
d) Coulomb/Kelvin
Answer: a) Joule/Kelvin
62. Dimensional formula for surface tension is:
a) [MLT⁻²]
b) [MT⁻²]
c) [ML²T⁻²]
d) [ML⁰T⁻²]
Answer: d) [ML⁰T⁻²]
63. Which unit is used to measure electric power?
a) Volt
b) Watt
c) Ampere
d) Coulomb
Answer: b) Watt
64. The dimensional formula for electric current is:
a) [MT⁻²A]
b) [A]
c) [MLT⁻²]
d) [ML²T⁻³A]
Answer: b) [A]
65. The unit of self-inductance is:
a) Weber
b) Henry
c) Joule
d) Coulomb
Answer: b) Henry
66. The dimensional formula of pressure is:
a) [ML⁻¹T⁻²]
b) [MLT⁻²]
c) [ML²T⁻²]
d) [MLT⁻¹]
Answer: a) [ML⁻¹T⁻²]
67. Which of the following is the unit of permeability?
a) Henry/meter
b) Tesla
c) Farad
d) Joule
Answer: a) Henry/meter
68. The SI unit of electric dipole moment is:
a) Coulomb-meter
b) Ampere-meter
c) Weber-meter
d) Newton-meter
Answer: a) Coulomb-meter
69. The dimensional formula for magnetic permeability is:
a) [ML⁻³T²I]
b) [MLT⁻²]
c) [MLI⁻²]
d) [MLT⁻²I⁻¹]
Answer: a) [ML⁻³T²I]
70. What is the unit of viscosity in the SI system?
a) Pascal
b) Pascal-second
c) Newton-second
d) Joule
Answer: b) Pascal-second
71. Which of the following is the unit of magnetic susceptibility?
a) Dimensionless
b) Weber
c) Henry
d) Tesla
Answer: a) Dimensionless
72. The dimensional formula for heat capacity is:
a) [ML²T⁻²]
b) [ML²T⁻²K⁻¹]
c) [M⁰L⁰T²K⁻¹]
d) [ML⁻²T²K]
Answer: b) [ML²T⁻²K⁻¹]
73. The unit of permittivity is:
a) Farad/meter
b) Coulomb/meter
c) Tesla
d) Henry/meter
Answer: a) Farad/meter
74. The dimensional formula for latent heat is:
a) [ML²T⁻²]
b) [ML²T⁻²K⁻¹]
c) [ML⁰T⁻²]
d) [ML⁻¹T²]
Answer: a) [ML²T⁻²]
75. The unit of wave number is:
a) Meter
b) Meter⁻¹
c) Radian
d) Hertz
Answer: b) Meter⁻¹
76. Which of the following is a unit of radioactivity?
a) Tesla
b) Curie
c) Weber
d) Henry
Answer: b) Curie
77. The dimensional formula for electric potential is:
a) [ML²T⁻²A⁻¹]
b) [MLT⁻²A]
c) [MLT⁻²A⁻²]
d) [ML²T⁻¹]
Answer: a) [ML²T⁻²A⁻¹]
78. The SI unit of thermal resistivity is:
a) Kelvin
b) Meter²/Watt
c) Watt/Kelvin
d) Joule
Answer: b) Meter²/Watt
79. The unit of entropy in CGS system is:
a) Erg/Kelvin
b) Joule/Kelvin
c) Dyne/Kelvin
d) Erg
Answer: a) Erg/Kelvin
80. The dimensional formula of magnetic field is:
a) [MLT⁻²I]
b) [MLT⁻²I⁻¹]
c) [MT⁻²I]
d) [ML⁰T⁻²I⁻¹]
Answer: b) [MLT⁻²I⁻¹]
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 (Q1 to Q20)
- 100 MCQ Question on "Units and measurements" > Part: 02 (Q21 to Q40)
- 100 MCQ Question on "Units and measurements" > Part: 03 (Q41 to Q60)
- 100 MCQ Question on "Units and measurements" > Part: 05 (Q81 to Q100)