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What is the Nature of a Lens Whose Power Is, −4 D? - CBSE Class 10 - Science

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Question

What is the nature of a lens whose power is, −4 D?

Solution

Negative sign indicates it is a diverging lens. Therefore, the lens is concave in nature. 

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Solution What is the Nature of a Lens Whose Power Is, −4 D? Concept: Refraction at Spherical Surfaces and by Lenses - Power of a Lens.
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