A person has a tuning fork that sounds with a frequency of $250 H z$ . The person strikes the fork and plays a white key that sounds with a frequency of $220 H z$ . Calculate the beat frequency that the piano person hears?

0 H z

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

0.8 H z

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

1.25 H z

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

30 H z

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

450 H z

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

Open in App

Solution

The correct option is D $30 H z$
Given : $ν_{1} = 250$ $H z$ $ν_{2} = 220$ $H z$
Beat frequency $b = | ν_{1} - ν_{2} | = 250 - 220 = 30$ $H z$

Suggest Corrections

Similar questions

Q. A piano tuner has a tuning fork that sounds with a frequency of 250 Hz. The tuner strikes the fork and plays a key that sounds with a frequency of 200 Hz. What is the frequency of the beats that the piano tuner hears?

Q. A person is tuning a piano, using

512 H z

tuning fork, trying to match this frequency to the frequency of the note produced by the piano. The person hears a pitch close to

512 H z

that gets loud and soft four times each second.
What is a possible value of the current frequency of the note produced by the piano?

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]

Q. A person with vibrating tuning fork of frequency

338

Hz is moving towards a vertical wall with a speed of

2 m s^{- 1}

. Velocity of sound in air is

340 m s^{- 1}

. The number of beats heard by that person per second is.

Q. Tuning fork for A has frequency 1% greater than that of standard fork B while tuning fork C has frequency 2% smaller than that of B. When A and B are sounded together, then number of beats heard per second is 5. The frequency of tuning fork C is approximately

Join BYJU'S Learning Program

A person has a tuning fork that sounds with a frequency of 250Hz. The person strikes the fork and plays a white key that sounds with a frequency of 220Hz. Calculate the beat frequency that the piano person hears?

The correct option is D 30HzGiven : ν1=250 Hz ν2=220 HzBeat frequency b=|ν1−ν2|=250−220=30 Hz

A person has a tuning fork that sounds with a frequency of $250 H z$ . The person strikes the fork and plays a white key that sounds with a frequency of $220 H z$ . Calculate the beat frequency that the piano person hears?

The correct option is D $30 H z$
Given : $ν_{1} = 250$ $H z$ $ν_{2} = 220$ $H z$
Beat frequency $b = | ν_{1} - ν_{2} | = 250 - 220 = 30$ $H z$