Question

Focal length of the concave mirror depends on it's........

a) Size
b) Aperture
c) Radius of curvature
d) Material used

Answer 1

Answer:

c) Radius of curvature

Explanation:

Focal length of the concave mirror depends on it's radius of curvature

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Answer 2

Answer:

Focal length depends upon Radius of curvature and size of the objects