Estimate answers up to 3 decimal places George, who stands 4 feet tall, finds himself 46 feet in front of a convex lens and he sees his image reflected 37 feet behind the lens. What is the focal length of the lens?

Estimate answers up to 3 decimal places George, who stands 4 feet tall, finds himself 46 feet in front of a convex lens and he sees his image reflected 37 feet behind the lens. What is the focal length of the lens?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter38: Refraction And Images Formed By Refraction

Section38.9: One-lens Systems

Problem 38.7CE

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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.

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George, who stands 4 feet tall, finds himself 46 feet in front of a convex lens and he sees his image reflected 37 feet behind the lens. What is the focal length of the lens?

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