Question

reflection of the boundry of a rarer medium

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Answer 1

Answer:

as the particles of air at the open end of life are free to move the surrounding air ghost away quickly and compression is converted into the fractionation before the wave is reflected thus the comprehension is reflection at the rear and medium written as a fraction

Answer 2

ANSWER -

At a Boundary of a Rarer Medium:As the particles of air at the open end of a pipe are free to move, the surrounding air goes away quickly and compression is converted into a rarefaction before the wave is reflected. Thus, the compression after reflection at a rarer medium returns as a rarefaction.

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