Define the Focal Length. - Physics

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Definition

Define the focal length.

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Solution

It is the distance of the principal focus of the lens from its centre.

Concept: Lens
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Chapter 4: Refraction through Lenses and Optical Instruments - Figure Based Long Answers

APPEARS IN

ICSE Class 10 Physics
Chapter 4 Refraction through Lenses and Optical Instruments
Figure Based Long Answers | Q 4.2

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