Science, asked by tannu5677, 1 year ago

calculate the power of concave lens of focal length 5 cm

Answers

Answered by danishk08

28

focal length=5cm
power=1/f
=1/5=0.2cm^-1

Answered by twisto676

22

Given

f=5 cm

Soln

We know that

P=2f

= 2x5

= 10 cm

1 m = 1 D

10 cm= 0.01 m

P= 0.01 D

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