Home
Class 11
PHYSICS
A siren wth a ring of 200 holes is makin...

A siren wth a ring of 200 holes is making 132 revolutions per mintue and is found to emit a note which is an octave higher than of a tuning fork. Find the frequency of the latter.

Text Solution

Verified by Experts

The correct Answer is:
220 Hz
Promotional Banner

Topper's Solved these Questions

  • INTENSITY AND PITCH OF MUSICAL NOTES

    NN GHOSH|Exercise EXERCISE|14 Videos

  • HYDROSTATICS

    NN GHOSH|Exercise EXERCISES|59 Videos

  • ISOTHERMAL AND ADIABATIC PROCESS

    NN GHOSH|Exercise All Questions|29 Videos

Similar Questions

Explore conceptually related problems

The string of a violing emits a note of 440Hz at its correct tension. The string is bit taut and produces 4 beats per sec with a tuning fork of freq. 440Hz. Find the frequency of the note emitted by this taut string.

A tuning fork having frequency 256 Hz emits a wave which has a wavelength of 1.35 m . Find the speed of sound in air.

The vibration portion of a wire which isstretched with a weight of6.48kg weighs 0.5 gm.When sounding in fundamental note, it isfound togive20 beats in5 seconds, witha vibrating tuning fork of frequency 256. If the length of the wire is slightly decreased, the note emitted by it is observed to be in unison withthat ofthe fork. Calculatethe original length of the wire.

The disc of a siren has 100 holes and rotates at the rate of 1000 revolutions per mintue. Find the frequency and wavelength of the note emitted by the siren. (Velocity of sound in air = 350 m//s )

Fifty-six tuning forks are arranged in order of increasing frequencies so that each fork gives 4 beats per second with the next one. The last fork gives the octave of the first. Find the frequency of the first.

Sixty-four tuning forks are arranged in order of increasing frequency and any two successive forks give four beats per second when sounded together. If the last fork gives the occtave of the first, calculate the frequency of the latter [Hint: When two frequencies are such that one is double the other, the higher one is said to be an actave higher than the first and the lower one is to be an octave lower than the second.]

A siren with 20 holes in its disc given 5 beats per second with a closed pipe sounding its fundamental note when the disc makes 2400 revolution per minute. What is the effective length of the pipe? (velocity of sound in air = 360 ms^(-1) )