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What is a Lens? - Science

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प्रश्न

What is a lens? 

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उत्तर

A lens is an optical device that transmits and refracts a ray of light, and converges or diverges a beam of light.

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पाठ 5: Refraction of Light - Exercise 3 [पृष्ठ २४०]

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लखमीर सिंह Physics (Science) [English] Class 10
पाठ 5 Refraction of Light
Exercise 3 | Q 16.1 | पृष्ठ २४०
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