MCQ- 11 ICSE Physics class 10 ch-1 FORCE ,WORK, POWER AND ENERGY

SI & CGS Units

1. What is the CGS unit of force?

dyne newton joule watt

2. 1 newton is equal to how many dynes?

10³ dynes 10⁴ dynes 10⁵ dynes 10⁶ dynes

3. What is the SI unit of work?

erg joule watt newton

4. 1 joule is equal to how many ergs?

10³ ergs 10⁴ ergs 10⁵ ergs 10⁷ ergs

5. What is the CGS unit of power?

erg/sec watt newton joule