Physics, asked by meghanaaitha009, 1 month ago

A plano - convex lens of focal length 20 cm silvered at the plane surface will behave as convergent mirror of focal length

(2) 30 cm
(3) 40 cm
(4) 10 cm

Answers

Answered by summaiyalatif36

Answer:

in the convergent mirror the focal length will be 40cm

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A plano - convex lens of focal length 20 cm silvered at the plane surface will behave as convergent mirror of focal length (2) 30 cm(3) 40 cm(4) 10 cm​

Answers

A plano - convex lens of focal length 20 cm silvered at the plane surface will behave as convergent mirror of focal length

(2) 30 cm
(3) 40 cm
(4) 10 cm