What is the focal length of a concave mirror of radius of curvature 30 cm?
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What is the focal length of a concave mirror of radius of curvature 30 cm?
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Answer:
15 cm
Explanation:
= 1/2 X 30 = 15cm.
hope this helps you
Explanation:
Given, Radius of curvature=30 cm
Focal length=R/2
=30/2
= 15 cm
KEEP SMILING SIR.