A plano convex lens (f = 20cm) is silvered at plane surface Options: A . &nbsp20 cm B . &nbsp40 cm C . &nbsp10 cm D . &nbsp30 cm

A plano convex lens (f = 20cm) is silvered at plane surface

Question

A plano convex lens (f = 20cm) is silvered at plane surface

Options:

A . 20 cm

B . 40 cm

C . 10 cm

D . 30 cm

Answer: Option C

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