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Question
A note produces 4 beat/s with a tuning fork of frequency 510 Hz and 6 beat/s with a fork of frequency 512 Hz. The frequency of the note is ______
Options
518 Hz
506 Hz
510 Hz
514 Hz
MCQ
Fill in the Blanks
Solution
A note produces 4 beat/s with a tuning fork of frequency 510 Hz and 6 beat/s with a fork of frequency 512 Hz. The frequency of the note is 506 Hz.
Explanation:
It produces 4 beats/s with a fork of frequency 510 Hz.
Hence its frequency can be 514 or 506 Hz. It also produces 6 beats/s with a fork of frequency 512 Hz. Hence its frequency can be 518 Hz or 506 Hz.
Hence the frequency 506 Hz is possible in both cases.
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