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Answer the following question in detail. Define and describe the magnifying power of an optical instrument. - Physics

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Question

Answer the following question in detail.

Define and describe the magnifying power of an optical instrument.

Definition
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Solution

Angular magnification or magnifying power of an optical instrument is defined as the ratio of the visual angle made by the image formed by that optical instrument (β) to the visual angle subtended by the object when kept at the least distance of distinct vision (α).

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Chapter 9: Optics - Exercises [Page 186]

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Balbharati Physics [English] Standard 11 Maharashtra State Board
Chapter 9 Optics
Exercises | Q 3. (vii) | Page 186

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