Math, asked by Yavaikriya, 2 months ago

if the focal length of a concave mirror is 20 cm what is the radius of curvature ?

Answers

Answered by sanjudnath

3

Answer:

Radius of curvature = 2 x focal length.

So, focal length = 21× radius of curvature = 21×20 cm = 10 cm

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