A double convex lens 
having focal length equal to the focal length of a concave mirror. The radius of curvature of the concave mirror is
Text Solution
Verified by ExpertsThe correct answer is:
B
= 
⇒ ⇒ f = 10 cm
∴ ∴ Radius of curvature of concave mirror = 2 f = 20 cm .
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