Question

source of sound produces 8 beats per second with each of the two tuning forks having frequencies 262 and 278 hz find the frequency of source

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Answer 1

Answer:

Explanation:

The unknown frequency X is given by = Frequency ± number of beats

In the first case -

A source X of unknown frequency produces 8 beats per second with a source of 262 Hz .

Here, number of beats per second = 8

=> The frequency of the source X = 262 ± 8

= 270 Hz or 254 Hz

In the second case -

A source X of unknown frequency produces 8 beats per second with a source of 278 Hz .

Here, number of beats per second = 8

=> The frequency of the source X = 278 ± 8

= 270 Hz or 286 Hz

Thus, in both cases the common value of unknown frequency of source X is 270 Hz .

Thus, the frequency of the source X is 258 Hz .

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