Physics, asked by sumanpattanayak9471, 1 year ago

If power of lens is -2.5D, then calculate its focal length

Answers

Answered by Anonymous

1

p=1/f
.

f=1/p
f=1/-2.5....

Answered by sukesh0321

1

Answer:

Power = -2.5 D

F = 1/P = 1/-2.5 = -0.4m = -40cm

Focal length is -40cm and it is a concave lens.

hope it helps! :)

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