The disc of siren has n holes and the frequency of its rotation is 300 rpm. It produces a notes of wavelength 2.4 m. If the velocity of sound in air is 360 m/s, then the value of n will be

The disc of a Siren has n holes and the frequency of its rotation is 300 r.p.m. It produces a note of wavelength 2.4m., when the velocity of sound in air is 360 m/s. The value of n is

An open organ pipe of length is 50 cm, If the velocity of sound in air is 320 m/s , then the frequency of its fundamental note will be

An open organ pipe of length is 50 cm, if the velocity of sound in air is 320m/s , then the frequency of its fundamental note will be

Frequency of audible sound waves ranges between 20 Hz and 20 KHz. If the velocity of sound in air is 320 m/s, the range of the wavelengths of the sound in air is

The driver of a car travelling with a speed of 30 m/s towards a wall sounds a siren of frequency 500 Hz. If the velocity of sound in air is 330 m/s, then the frequency of the sound reflected from the wall and as heard by the driver is

A source produces a sound of wavelength. 1.7 xx 10^-2 m . If its velocity is 343.4 ms ^-1 , then find frequency of sound.

A source produces a sound of wavelength. 1.7 xx 10^-2 m . If its velocity is 343.4 ms ^-1 , then find frequency of sound.

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 )

A body is vibrating 7200 times in one minute. If the velocity of sound is 360 m/s, find the wavelength of the sound produced.