Sound Quiz 3

The wavelength of sound in air is 1.5 m and that in liquid is 2 m. If the velocity of sound in air is 330 m/s, the velocity of sound in liquid is

The velocity of sound in a gas is 340 m/s at the pressure P, what will be the velocity of the gas when only pressure is doubled and temperature same?

Choose the correct statement.

A sound note emitted from a certain source has a velocity of 300 m/s in air and 1050 m/s in water. If the wavelength of sound note in  air is 2 m, the wavelength in water is …………

A thunder clap was heard 6 seconds after a lightening flash was seen. If the speed of sound in air is 340 m/s at the time of observation, the distance of the listener from the thunder clap is …………

The speed of sound in air at NTP is 330 m/s . The period of sound wave of wavelength 66 cm is …………

If the velocity of sound in hydrogen is 1248 m/s, the velocity of sound in oxygen is [Given: $M_o$ = 32 and $M_H$ = 2]

If the source is moving away from the observer, then the apparent frequency ………

The working of SONAR is based on …………

The formula for speed of a transverse wave on  a stretched spring is ……………… (m = linear mass density, T = tension in Spring)