Physics · Science General

Acoustics and Sound Waves

2,006 Questions

Acoustics and sound waves deal with mechanical vibrations traveling through media like air and water. Key concepts include wave reflection, beats, echoes, the Mach number, and infrasound. These physics fundamentals are regularly tested in general science sections of multiple competitive exams.

Sound wave propagationEchoes and reflectionWave interferenceMach numberInfrasound frequency

Acoustics and Sound Waves Questions

Multiple choice

Sound is produced by

  1. vibration

  2. moving

  3. heating

  4. cooling
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sound is produced and propagated by vibrations.

Multiple choice

Loudness of sound depends upon its

  1. Wavelength

  2. Frequency

  3. Time period

  4. Amplitude
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Loudness is the measure of intensity of sound which in turn depends on the amplitude.

Multiple choice

Pitch of sound depends upon

  1. Frequency

  2. Time period

  3. Wavelength

  4. Amplitude
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

pitch of a sound is the measure of its frequency.

Multiple choice

The nature of sound waves is

  1. Mechanical waves

  2. Longitudinal

  3. Electromagnetic

  4. Transverse
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

sound waves are longitudinal waves.

Multiple choice

Range of audible sound is

  1. Less than 20 Hz

  2. More than 20,000 Hz

  3. 20-20,000 Hz

  4. More than 20 Hz
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The range of audible sound for human beings is 20-20,000 Hz.