Radius of curvature of a concave mirror is 8 cm. What is the focal len – McqOptions

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1.	Radius of curvature of a concave mirror is 8 cm. What is the focal length the concave mirror?
A.	8 cm
B.	4 cm
C.	16 cm
D.	20 cm
E.	None of these
Answer» C. 16 cm

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