Question

A convex mirror is made by cutting a hollow sphere of radius of curvature 20 cm. Find the focal lenght of the mirror.​ Proper answers pls.​

Answer 1

Answer:

In the given problem, radius of curvature, R = 20 cm.

Focal length of the mirror

= Radius of curvature/2

Therefore, focal length,

f = 20/2

= 10 cm.

Therefore, focal length of the convex mirror is 10 cm.

Answer 2

Answer:

In the given problem, radius of curvature, R = 20 cm.

Focal length of the mirror

= Radius of curvature/2

Therefore, focal length,

f = 20/2

= 10 cm.

Therefore, focal length of the convex mirror is 10 cm.

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