which on of the following is focal length of the convex mirror whose radius of curvature is 32 CM
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We know,for spherical mirrors of small apertures, the radius of curvature is twice the focal length i.e. R = 2f .
Given here, radius of curvature R is 32 cm. and focal length of a convex mirror f = ?
R 32
f =
=
= 16 cm
2 2
Focal length of mirror is 16 cm
Given here, radius of curvature R is 32 cm. and focal length of a convex mirror f = ?
R 32
f =
=
= 16 cm
2 2
Focal length of mirror is 16 cm
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3
Explanation:
Radius of curvature, R= 32 cm
Radius of curvature = 2 × Focal length (f)
R= 2ff= R/2 = 32/2 = 16
Hence, the focal length of the given convex mirror is 16 cm.
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