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>> $The power of plane mirror is | Physics Q$

Question

The power of plane mirror is ____

A

$0$

B

$\infty$

C

$2 D$

D

$4 D$

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Updated on : 2022-09-05

Solution

Verified by Toppr

Correct option is A)

As radius of curvature of plane mirror is infinity
So, its focus $f = \frac{R}{2}$ is also infinity.
Now, power $= \frac{1}{f} = \frac{1}{\infty} = 0$ .

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