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Standard XII

Physics

Wave Equation

A source of s...

Question

A source of sound with adjustable frequency produces 2 beats per second with a tuning fork when its frequency is either 476 Hz or 480 Hz. What is the frequency of the tuning fork ?

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Solution

As the tuning fork produces 2 beats with the adjustable frequency, the frequency of the tuning fork will be

$\Rightarrow n = \frac{(476 + 480)}{2} = 478$

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Similar questions

Q. A source of sound with adjustable frequency produces

2

beats per second with a tuning fork, when its frequency is either

466 Hz

470 Hz

. What is the frequency of the tuning fork ?

Q. A source of sound with adjustable frequency produces

2

beats per second with a tuning fork, when its frequency is either

466 Hz

470 Hz

. What is the frequency of the tuning fork ?

Q. A tuning fork

A

when sounded with a tuning fork

B

of frequency

480 Hz

produces

5

beats per second. When the prongs of

A

are loaded with wax, it gives

3

beats per second. The original frequency of the tuning fork

A

is:

Q. A tuning fork

A

of unknown frequency produces

4

beats per second when sounded with another tuning fork

B

of frequency

254 Hz

. When tuning fork

A

is loaded with wax, it still gives

4

beats per second with tuning fork

B

. The initial unknown frequency of tuning fork

A

A tuning fork of frequency 100 when sounded together with another tuning fork of unknown frequency produces 2 beats per second. On loading the tuning fork whose frequency is not known and sounded together with a tuning fork of frequency 100 produces one beat, then the frequency of the other tuning fork is

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A source of sound with adjustable frequency produces 2 beats per second with a tuning fork when its frequency is either 476 Hz or 480 Hz. What is the frequency of the tuning fork ?

As the tuning fork produces 2 beats with the adjustable frequency, the frequency of the tuning fork will be ⇒n=(476+480)2=478

As the tuning fork produces 2 beats with the adjustable frequency, the frequency of the tuning fork will be

$\Rightarrow n = \frac{(476 + 480)}{2} = 478$