Two sound waves having wavelengths of 87 cm and 88.5 cm respectively , when superimposed, produce 10 beats per second . Find the velocity of sound .

Two sound waves having wavelengths 81 cm and 82.5 cm produce 8 beats per second. Calculate the speed of sound in air.

As speed limit is 120 km/h but speed of the car is less than it so that policeman does not punishing the car driver. Two sound notes have wavelengths 83/ 170 m and 83/ 172 m in the air.These noteswhen sounded together produce 8 beats per second.Calculate the velocity of sound in the air and frequencies of the two notes.

Two waves of wavelength 2 m and 2.02 m , with the same speed, superimpose to produce 2 beats per second ,The speed of each wave is

Waves produced by two vibrators in a medium have wavelengths 2 m and 2.1 m respectively . When sounded together they produce 8 beats /second.Calculate wave velocity and frequencies of the vibrators.\

The wavelengths of two sound waves in air are 81 /173 m and 81 /170 m . They produce 10 beats per second. Calculate the velocity of sound in air.

Wavelength of two second waves in air are 80/175 m and 80/ 173 m . Between these waves 8 beats per second are produced . Calculate the velocity of sound in air.

Two sound waves have wavelengths 85 / 170 m an 85 /172 m in air. Each wave produces 4 beats /second with a third note of fixed frequency.Find the frequency of the third note.

Wavelengths of two sound waves in air are (110)/( 177) m and ( 110)/( 175) m respectively.When they are sounded together,they produce 6 beats per second.The frequency of the two waves respectively will be

Two similar open organ pipes of length 50 cm and 50.5 cm produce 3 beats per second when sounded together. The velocity of sound in air is