Portion of a wave in which density of the particles of the medium is higher than the normal density is called

Rarefaction

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Compression

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Refraction

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None of the above

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Solution

The correct option is A Compression
When the Longitudinal wave propagate in a medium then at some point density of medium changes from maximum to minimum. Maximum density of medium is known as compression and minimum density of medium is known as Rarefaction.
Hence Option B

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Portion of a wave in which density of the particles of the medium is higher than the normal density is called

The correct option is A CompressionWhen the Longitudinal wave propagate in a medium then at some point density of medium changes from maximum to minimum. Maximum density of medium is known as compression and minimum density of medium is known as Rarefaction. Hence Option B

The correct option is A Compression
When the Longitudinal wave propagate in a medium then at some point density of medium changes from maximum to minimum. Maximum density of medium is known as compression and minimum density of medium is known as Rarefaction.
Hence Option B