You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard IX

Physics

Frequency

A tuning fork...

Question

A tuning fork produces 20 vibrations per second. What is the frequency of the tuning fork:

40 H z

No worries! We‘ve got your back. Try BYJU‘S free classes today!

20 H z

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

10 H z

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0 H z

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $20 H z$
Frequency is defined as the number of vibrations produced per second, as the given tuning fork produces 20 vibrations per second, therefore its frequency is $20 H z$ .

Suggest Corrections

Similar questions

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

Q. When tension in a string is 225 N, then vibrating in fundamental mode it produces 6 beats per second with a tuning fork. The same string, when under tension of 256 N, again vibrating in fundamental mode produces with the same tuning fork 6 beats per second. Then, the frequency of the tuning fork is:

Q. A tuning fork vibrating with a sonometer having

20 c m

wire produces

5

beats per second. The beat frequency does not change, if the length of the wire is changed to

21 c m

. The frequency of tuning fork is:

Q. A tuning fork produces

4

beats per second with another tuning fork of frequency

266 Hz

. The first one is now loaded with wax and the beat frequency is found to be

8

per second. What is the original frequency of the first tuning fork ?

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

[NCERT 1977]

Join BYJU'S Learning Program

A tuning fork produces 20 vibrations per second. What is the frequency of the tuning fork:

The correct option is B 20 HzFrequency is defined as the number of vibrations produced per second, as the given tuning fork produces 20 vibrations per second, therefore its frequency is 20Hz.

The correct option is B $20 H z$
Frequency is defined as the number of vibrations produced per second, as the given tuning fork produces 20 vibrations per second, therefore its frequency is $20 H z$ .