Wed February 29, 2012 By:

while varifying the loss of reflection of sound Radha used the wall of laboritary as reflector of sound and her friend Kim used a foam pad. who will get correct observation- (i) both of them (ii) none of the two (ii0Kim (iv) Radha

Expert Reply
Thu March 01, 2012
Both of them are correct because both are poor absorbers of sound so verification of reflection of sound can be done.
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