Question Bank

What is the frequency of a sound wave whose wavelength is 1.7 cm and speed is 340 m/s?

What does SONAR stand for?

The speed of sound in hydrogen is ________ compared to oxygen at the same temperature.

A vibrating body with a high frequency produces a sound that is:

Intensity of sound is defined as the sound energy passing per unit _______ per unit area.

Echoes are produced due to the ________ of sound waves.

Which of these frequencies is most likely for a bass drum?

Sound travels in air in the form of:

If the speed of sound is 340 m/s and the frequency is 170 Hz, what is the time taken for one vibration?

A sound wave has a frequency of 100 Hz. How many times does it vibrate in one minute?

Ultrasonic sound waves have more ________ than audible sound waves.

Which of the following is used to measure the depth of a sea?

The voices of men, women, and children are different mainly due to different:

Which of the following media has the highest speed of sound?

When a wave reflects from a rigid boundary, there is a phase change of:

What is the speed of sound in steel?

What happens to the loudness if we increase the surface area of a vibrating body?

In a stationary wave, the points of zero amplitude are called:

An ultrasonic wave has a frequency of 50 kHz. What is its frequency in Hertz?

Which subjective property of sound is related to the objective property 'Intensity'?