Science, asked by simmysharma9780, 6 months ago

A doctor has prescribed a corrective lens of power + 2 D. Find the focal length of the lens.
2m
0.5m
0.2m
1m

Answers

Answered by swetanpradhan99

5

Answer:

0.5m

explanation is in your picture...

hope you got ur answer.....

thank u..

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