1. In an amusement park a large upright convex spherical mirror is facing a plane mirror 10.0 m away. A girl 1.0 m tall standing midway between the two sees herself twice as tall in the plane mirror as in the spherical one. What is the focal length of the latter?

1. In an amusement park a large upright convex spherical mirror is facing a plane mirror 10.0 m away. A girl 1.0 m tall standing midway between the two sees herself twice as tall in the plane mirror as in the spherical one. What is the focal length of the latter?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter37: Reflection And Images Formed By Reflection

Section: Chapter Questions

Problem 37PQ

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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

1. In an amusement park a large upright convex spherical mirror is facing a plane mirror 10.0 m away.
A girl 1.0 m tall standing midway between the two sees herself twice as tall in the plane mirror as
in the spherical one. What is the focal length of the latter?

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