Question

6. A convex lens forms a concentred image of the sun at distance of 20cm from the lens. What is the radius of curvature of the lens?
A. 10cm
B. 20cm
C. 30cm
D. 40cm
wrong/scam answer
will be reported
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Answer 1

Answer:

Image Distance = 20 cm

Radius of Curvature = 10cm

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