Sound Test - 6...

The time period of a pendulum, which is vibrating at 10 hertz is

The product of time period and frequency is

The maximum displacement of a particle in a wave motion is called

Wavelength is defined as the distance between

The time period of Khushi`s voice is 0.002 seconds. The frequency of her voice is

Which of the following are not transverse waves?

What is the ratio of frequencies of waves A and B?

Whose voice among the following is likely to have a minimum frequency?

Which of the following statements is wrong?

The speed of sound in gas at NTP is 300 m/s. If the pressure is increased three times and the temperature remains the same, what will be the velocity of sound?

A speaker system generates sound waves at a frequency of 2400 Hz. If the speed of wave in air is 325 m/s, what is the wavelength?

A certain sound has a frequency of 256 hertz and a wavelength of 1.3 m. What is the speed of this sound?

An elephant produces 20 Hz sound wave. What will be its wavelength if sound travels in the air at a speed of 344 ms^-1?

A sound wave travels at a speed of 399 ms^-1. If its wavelength is 2.5 cm, what is the frequency of the wave?

Pitch of a voice refers to its

An echo returned in 2 s. If the speed of sound is 342 ms^-1, what is the distance of the reflecting surface from the source?

Infrasonic waves are the waves having frequency

Ultrasound is used for

Which of the following statements is incorrect?

Two sound waves in the air have their wavelengths in the ratio 2 : 5. The ratio of their frequencies is