Physics, asked by RITURAJage15, 11 months ago

A concave mirror is a part of sphere of radius 40cm .what is the focal length of the mirror?​

Answers

Answered by nehasarajohn
1

Focal length is half of radius of curvature

here it is given that the radius of curvature of the mirror is 40 cm. Therefore the focal length of the concave mirror is 20cm hope it helps and please mark me as brainliest....

Answered by rsp2061983
1

Answer:

focal length will be 20cm.

Explanation:

because focal length is half of the radius

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