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Define 1 Dioptre of Power of a Lens. - CBSE Class 10 - Science

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Question

Define 1 dioptre of power of a lens.

Solution 1

The SI unit of power of lens is dioptre which is denoted by the letter D. 1 dioptre is defined as the power of a lens of focal length 1 metre.

Solution 2

1 dioptre is the power of a lens whose focal length is 1 metre. ‚Äč

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APPEARS IN

 NCERT Solution for Science Textbook for Class 10 (2014 to Current)
Chapter 10: Light - Reflection and Refraction
Q: 1 | Page no. 184
Solution Define 1 Dioptre of Power of a Lens. Concept: Refraction at Spherical Surfaces and by Lenses - Power of a Lens.
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