InterviewSolution
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InterviewSolution
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An unknown frequency `x` produces 8 beats per seconds with a freuquency of `250` Hz and 12 beats with `270Hz`. Source then `x` isA. `258Hz`B. `242Hz`C. `262Hz`D. `282Hz` |
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Answer» Correct Answer - A Since source of frequency `x` gives 8 beats per second with frequency 250 , its possible frequency are 258 or 242. As source of frequency x gives 12 beats per second with a frequency 270 Hz. Its possible frequencies 282 or 258 Hz. The only possible frequency of x which gives 8 beats with frequency 250 Hz also 12 beats per second with 258 Hz. |
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