Question

Find the focal length of a convex mirror whose radius of curvature is 42 cm​

Answer 1

we know that the focal length is half of the radius of curvature.

hence the radius of curvature is given => 42cm

then focal length => 1/2×42

=> 21cm

hence the focal length = 21cm

Answer 2

Answer:

this is your answer mate

Explanation:

pls mark brainliest ❤️❤️