on what factors does the focal length of a spherical mirror depends
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Focal length mainly depends on one factor: Radius of curvature R of the spherical mirror. If the mirror is in air or in another medium, then focal length = R/2.
Focal length is independent of the medium, material of the mirror, frequency of the light rays, temperature etc.
Focal length is independent of the medium, material of the mirror, frequency of the light rays, temperature etc.
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Answer:
A focal lenght of a concave mirror depends upon
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