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The focal length of a spherical mirror is 20 cm. The radius of curvature of this mirror will be

(a)

10 cm

(b)

20 cm

(c)

40 cm

(d)

80 cm



Question ID - 100016 | SaraNextGen Top Answer

The focal length of a spherical mirror is 20 cm. The radius of curvature of this mirror will be

(a)

10 cm

(b)

20 cm

(c)

40 cm

(d)

80 cm

1 Answer
127 votes
Answer Key / Explanation : (c) -

40 cm

127 votes


127