1.

Statement-1 : in case of beats, intensity of sound at some position in space remains maximum and , at others ,it remains minimum. because Statement -2 : Beats are formed due to superposition of sound waves of unequal frequencies.

Answer»

STATEMENT -1 is TRUE, statement -2 is True, Statement -2 is a correct explanation for Statement -1.
Statement -1 is True, Statement -2 is True , Statement-2 is Not a correct explanation for statement-11
Statement -1 is True, statement -2 is FALSE
Statement -1 is False, Statement -2 is True.

Answer :D


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