Physics, asked by jpsuraj31, 5 hours ago

30. Focal length of the convex lens whose radius of curvature is 90 cm is A) 30 cm B) 60 cm C) 45 cm D) 90 cm

Answers

Answered by Anonymous

3

Answer:

C)45

Explanation:

R=2f

Answered by pratap61930

1

Answer:

you are girl or boy

reply me

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