1.

Statement-1 : Two tuning forkes having frequencies 410 Hz and 524 Hz are kept closed and made to vibrate. Beats will not be heard. because Statement-2 , Sound waves superimpose only when the frequencies of superposing waves are equal or nearly equal.

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-12
Statement -1 is True, statement -2 is False
Statement -1 is False, Statement -2 is True.

Answer :D


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