If the reflecting body is covered with loose cotton, the reflected sound will :

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    rn
  1. be more louder
  2. rn
  3. be less louder
  4. rn
  5. be of same loudnesss
  6. rn
  7. not be heard

The reflected sound will be less louder because soft and porous materials are bad reflectors of sound,they are actually good absorbers of sound.

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Will be less louder

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