Physics, asked by jismtj1432, 11 months ago

A converging lens of focal length 20 cm and a diverging lens of focal length cm are placed in contact. Calculate the power of combination. Support your answer with the diagram

Answers

Answered by vividaditya03

0

Focal of convex lens(f)=+20cm=20/100=+.20 m

P=1/f=1/.20=100/20=+5D

power of combination=5-10=-5D

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