Answered: Q7. The plane face of a plano-convex…

Q7. The plane face of a plano-convex lens of focal length 20cm is silvered. The lens will then behave as a concave mirror of focal length O 5cm O 10cm 20cm 40cm

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter26: Image Formation By Mirrors And Lenses

Section: Chapter Questions

Problem 29P

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Concept explainers

Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.

Question

Q7. The plane face of a plano-convex lens of
focal length 20cm is silvered. The lens will then
behave as a concave mirror of focal length
O 5cm
O 10cm
20cm
40cm

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