At What Temperature Will The Speed Of Sound In Air Be Double Of Its Speed At 57oC?

A vehicle with a horn of frequency n is moving with a velocity of 30 ms^–1in a direction perpendicular to the straight line joining the observer and the vehicle. The observer perceives the sound to have a frequency (n + n₁). If the sound velocity in air is 300 ms^–1,  

Two springs of constants k₁ and k₂ have equal highest velocities while executing S.H.M. If their masses are equal, the ratio of their amplitudes will be

The velocity of sound is the greatest is

The speed of a wave in a medium is 960 m/s. If 3600 waves are passing through a point in the medium in  minute, then calculate the wavelength.

What is the frequency of radio waves transmitted by a station, if the wavelength of three waves is 300 meter?

At a pressure of 10⁵N/m² the volume strain of water is  Calculate the speed of sound in water. (Density of water = kg/m³).

At normal temperature and pressure the speed of sound in air is 332 m/s. What will be the speed of sound in hydrogen (i) at normal temperature and pressure, (ii) at 546^oC temperature and 3 atmospheric pressure? (Air is 16 times heavier than hydrogen).

The speed of sound in oxygen is 635 m/s. Find out the speed of sound in a mixture of hydrogen and oxygen in which the ratio of hydrogen and oxygen volumes is 4:1.

Find out the ratio of the velocity of sound in helium and in nitrogen gases at 300 K temperature. Molecular weights of helium and nitrogen are 4 and 28 respectively.

At what temperature the speed of sound in oxygen will be same as that in nitrogen at 14^oC? The molecular weights of oxygen and nitrogen are 32 and 28 respectively.