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Q. 77

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 994

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Short Answer

A tall object is placed in front of a mirror. A tall upright image is formed behind the mirror, from the object. What is the focal length of the mirror?

The focal length of the mirror is .

See the step by step solution

Step by Step Solution

Step 1: Given information

We have given,

Height of the object =

Height of the image =

distance between he object and image =

We have to find the focal length of the mirror.

Step 2: Simplify

Magnification of the mirror

we know that

then,

Using mirror equation

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