SSC MTS EXAM

SSC

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The unit of power of lens is
A
Metre
B
Centimetre
C
Diopter
D
M-1
Explanation: 

Detailed explanation-1: -The S.I. the unit of power is dioptre (D). Hence, one dioptre is the power of a lens of focal length one meter.

There is 1 question to complete.