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Explain Why (Or How) The Shape of a Pulse Gets Distorted During Propagation in a Dispersive Medium. - Physics

Explain why (or how) The shape of a pulse gets distorted during propagation in a dispersive medium.

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Solution 1

A pulse is actually is a combination of waves having different wavelengths. These waves travel in a dispersive medium with different velocities, depending on the nature of the medium. This results in the distortion of the shape of a wave pulse.

Solution 2

A pulse of sound consists of a combination of waves of different wavelength. In a dispersive medium, these waves travel with different velocities giving rise to the distortion in the wave.

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NCERT Class 11 Physics Textbook
Chapter 15 Waves
Q 19.5 | Page 389
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