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Vidya01 Vats
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Asked: 2025-01-11T10:34:16+00:00 In:

Explain the following giving reasons When light travels from a rarer to a denser medium, the speed decreases. Does the reduction in speed imply a reduction in the energy carried by the light wave?:

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No. Reduction in speed of light has no connection with energy carried by light wave. Energy carried by a wave depends only on its amplitude.
Class 12 Physics Chapter 10 Wave Optics Session 2024-2025.

chapter 10 wave opticsshort answer questionsthe reduction in speed imply a reduction in the energy carried by the light wave
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    1. No, the reduction in speed does not imply a reduction in energy. The energy of a light wave depends on its frequency (E = hν), which remains unchanged when light enters a denser medium. Only the wavelength and speed are affected, not the energy.

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      https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-10/

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