Physics, asked by priyasinghxii, 8 months ago

The power of a concave lens of focal length 20 cmis​

Answers

Answered by sarakavithiru09
0

Answer:

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Answered by ALLROUNDERTOPPERS220
0

P=1/-f

f=20 cm= 0.2m

p=-1/0.2

= -5D

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