Science, asked by sharmakashish7346, 1 year ago

two thin lenses are in contact and focal length of the combinations is 80cm. if the focal length of one lens is 20cm, then what would be the power of the other lens

Answers

Answered by abhi687

0

using this formula 1. 1. 1
f = v = u

Answered by deepthipriya921

0

answer is -3.75 dipoter

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