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Gupta Ravi
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Asked: 2025-01-04T08:49:51+00:00 In:

Will the focal length of a lens for red light be more, same or less than that for blue light?

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Focal length of a lens for red light is more than that for blue light.
Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.

class 12 physicsshort answer questionsthe focal length of a lens for red light be more
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    1. The focal length of a lens for red light will be more than that for blue light. This is because red light has a longer wavelength, causing it to refract less, resulting in a larger focal length compared to blue light.

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      https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-9/

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