Frequencies of tuning fork A and B are 258Hz and 262Hz respectively. When A is sounded with a tuning fork `X` of unknown frequency, a beat is produced which is half of the value when B is sounded with X. Unknown frequency is

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Saurabh Koranglekar · Answer

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Arun · Answer

Here, υ A ​ = 2 5 8 H z , υ B ​ = 2 6 2 H z Let the frequency of unknown turning fork be υ . It produces υ b ​ beats with A and 2 υ b ​ with B . Therefore, υ A ​ − υ = υ b ​ ......(i) and υ B ​ − υ = 2 υ b ​ ......(ii) Subtract (i) from (ii), we get υ B ​ − υ A ​ = υ b ​ Substituting the giving values, we get 2 6 2 − 2 5 8 = υ b ​ υ b ​ = 4 H z From (i), υ = υ A ​ − υ b ​ = ( 2 5 8 − 4 ) H z = 2 5 4 H z

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Frequencies of tuning fork A and B are 258Hz and 262Hz respectively. When A is sounded with a tuning fork `X` of unknown frequency, a beat is produced which is half of the value when B is sounded with X. Unknown frequency is

Frequencies of tuning fork A and B are 258Hz and 262Hz respectively. When A is sounded with a tuning fork `X` of unknown frequency, a beat is produced which is half of the value when B is sounded with X. Unknown frequency is

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Frequencies of tuning fork A and B are 258Hz and 262Hz respectively. When A is sounded with a tuning fork `X` of unknown frequency, a beat is produced which is half of the value when B is sounded with X. Unknown frequency is

Frequencies of tuning fork A and B are 258Hz and 262Hz respectively. When A is sounded with a tuning fork `X` of unknown frequency, a beat is produced which is half of the value when B is sounded with X. Unknown frequency is

2 Answers

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