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The power (P) of a lens of focal length ...

The power (P) of a lens of focal length (f) is given by

A

P = f

B

`P = (1)/(f)`

C

`P = -(1)/(f)`

D

`P = -f`

Text Solution

Verified by Experts

The correct Answer is:
B
Power P of a lens is given by reciprocal of its focal length f. Thus, we have
`P = (1)/(f)`
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