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Define the Focal Length. - Physics

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प्रश्न

Define the focal length.

व्याख्या

उत्तर

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

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पाठ 4: Refraction through Lenses and Optical Instruments - Figure Based Long Answers

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आईसीएसई Physics [English] Class 10
पाठ 4 Refraction through Lenses and Optical Instruments
Figure Based Long Answers | Q 4.2
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