Math, asked by prpoornachandra, 5 hours ago

Find the power of a concave of focal length 2m

Answers

Answered by ASPIRANTT

1

power is the reciprocal of focal length

therefore power will be 1/2 Or 0.5

since it is a concave lens power will be -0.5

Answered by simiprincy

0

Answer:

0.5 D

Step-by-step explanation:

Power = 1 / focal length

Power = 1 / 2

Therefore,

power = 0.5 D

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