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Name the type of mirror having a focal length of +20 cm.

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Question

Name the type of mirror having a focal length of +20 cm.
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Solution

The mirror having +20 cm as its focal length is a convex mirror because the focal length is taken positive only in case of a convex mirror.
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Chapter 6: Light - Exercise [Page 261]

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Frank Physics Part 1 [English] Class 9 ICSE
Chapter 6 Light
Exercise | Q 8 | Page 261

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