Question

S.I. unit for measuring angle is ________.

• A. kelvin
• B. ampere
• C. radian
• D. candela

Answer 1

The correct option is C radian

In SI system, there are 7 basic units for fundamental quantities. All other physical quantities can be derived from these fundamental quantities. Radian is the SI unit to measure angle. Interconversion of radian to degrees is given by:
$\pi rad={180}^{\circ }$