Question

define Rarefaction pa l 8 th​

Answer 1

Answer:

refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction.

Answer 2

Answer:

Rarefraction:

A rarefaction is defined as the region in a longitudinal wave where the particles are apart from each other.

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