Important Physics MCQs

1. What is the SI unit of solid angle__?

A. Candela

B. Steradian

C. Degree

D. B and C

E. Revolution

2. ____ is the Unit of electric current.

A. Micro-ampere

B. Watt

C. Ampere

D. Colomb

3. How can we reduced random error by

A. Taking mean of several measurements

B. Taking zero correction

C. Comparing the instrument with another more accurate one

D. All methods A, B, and C

E. None of the above