1. What is the unit of work?

Ans: Joule

2. Light year is the unit of

Ans: Distance

3. Which of the following quantities is a measure of inertia?

Ans: Mass

4. Which of the following is not a unit of time?

Ans: Light year

5. Parsec is the unit of –

Ans: Distance

6. Unit of heat

Ans: Celsius

7. Lumen is the unit of

Ans: Luminous flux

8. Curie is the unit of

Ans: Radioactivity

9. Pascal is the unit of –

Ans: Pressure

10. Candela is the unit of

Ans: Luminous intensity

11. Joule is the unit of

Ans: Energy

12. When was the International System of Units implemented?

Ans: 1971 A.D.

13. Hertz (Hz) is the unit of measurement of what?

Ans: Frequency of waves

14. The unit of electrical quantity is

Ans: Ampere

15. What is the unit of lens power in SI system?

Ans: Diopter

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