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:1.
This will help you to understand and recall the chapter in Short. Just go through the MCQs. If you have any doubt you can contact us.
Topic: Units & Measurements
Part-01
1. Which of the following is the SI unit of length?
a) Kilometre
b) Centimetre
c) Metre
d) Millimetre
Answer: c) Metre
2. What is the SI unit of electric current?
a) Volt
b) Ohm
c) Coulomb
d) Ampere
Answer: d) Ampere
3. Which of the following is the correct unit of force?
a) Joule
b) Newton
c) Watt
d) Pascal
Answer: b) Newton
4. What is the dimensional formula for velocity?
a) [M⁰L⁰T⁰]
b) [MLT⁻²]
c) [LT⁻¹]
d) [L²T]
Answer: c) [LT⁻¹]
5. The SI unit of work is:
a) Joule
b) Newton
c) Watt
d) Erg
Answer: a) Joule
6. What is the unit of frequency?
a) Meter
b) Hertz
c) Volt
d) Ampere
Answer: b) Hertz
7. Which of the following is not a fundamental unit?
a) Kilogram
b) Metre
c) Second
d) Newton
Answer: d) Newton
8. The measurement of mass is usually done in:
a) Kilograms
b) Joules
c) Newtons
d) Pascals
Answer: a) Kilograms
9. Which unit is used to measure pressure?
a) Joule
b) Pascal
c) Coulomb
d) Hertz
Answer: b) Pascal
10. What is the SI unit of temperature?
a) Celsius
b) Fahrenheit
c) Kelvin
d) Rankine
Answer: c) Kelvin
11. Which of the following is a unit of power?
a) Newton
b) Joule
c) Watt
d) Coulomb
Answer: c) Watt
12. 1 kilowatt-hour is equal to:
a) 3600 Joules
b) 3.6 × 10⁶ Joules
c) 3.6 × 10³ Joules
d) 3.6 × 10⁵ Joules
Answer: b) 3.6 × 10⁶ Joules
13. Which is the unit of electric charge?
a) Ampere
b) Volt
c) Coulomb
d) Watt
Answer: c) Coulomb
14. The dimensional formula for energy is:
a) [MLT⁻²]
b) [ML²T⁻²]
c) [MLT⁻¹]
d) [M²LT⁻²]
Answer: b) [ML²T⁻²]
15. What is the unit of gravitational constant (G)?
a) m/s²
b) Nm²/kg²
c) kg/m
d) m/kg²
Answer: b) Nm²/kg²
16. The unit of momentum is:
a) Joule
b) Newton-second
c) Watt
d) Coulomb
Answer: b) Newton-second
17. What is the SI unit of luminous intensity?
a) Lumen
b) Candela
c) Lux
d) Tesla
Answer: b) Candela
18. Which of the following is the SI unit of magnetic flux?
a) Tesla
b) Weber
c) Henry
d) Coulomb
Answer: b) Weber
19. What is the unit of pressure in CGS system?
a) Dyne/cm²
b) Pascal
c) Newton/cm²
d) Erg/cm²
Answer: a) Dyne/cm²
20. Which of the following quantities has the unit Tesla?
a) Magnetic flux
b) Magnetic flux density
c) Magnetic field strength
d) Magnetic moment
Answer: b) Magnetic flux density
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: 02 (Q21 to Q40)
- 100 MCQ Question on "Units and measurements" > Part: 03 (Q41 to Q60)
- 100 MCQ Question on "Units and measurements" > Part: 04 (Q61 to Q80)
- 100 MCQ Question on "Units and measurements" > Part: 05 (Q81 to Q100)