Sound Waves Quiz

What is the primary medium required for sound propagation?

• Light

• Vacuum

• Air

• Electricity

What type of waves are sound waves classified as?

• Surface waves

• Longitudinal waves

• Transverse waves

• Electromagnetic waves

Which of the following is an example of infrasonic waves?

• Musical notes

• Dog barking

• Human voice

• Whale sounds

What is the frequency range of audible waves?

• 0 Hz to 20 Hz

• 20 Hz to 20,000 Hz

• 20,000 Hz to 20 kHz

• Above 20 kHz

What happens to the particles of a medium when sound travels through it?

• They change their chemical composition

• They remain stationary

• They vibrate along the direction of wave propagation

• They move randomly

Which of the following creatures can detect ultrasonic waves?

• Humans

• Cows

• Cats

• Bats

What is the speed of sound in air at NTP?

• 340 m/s

• 300 m/s

• 1500 m/s

• 1200 m/s

What is the main difference between sound waves and light waves?

• Sound waves can travel in a vacuum; light waves cannot

• Sound waves are transverse; light waves are longitudinal

• Sound waves travel faster than light waves

• Sound waves require a medium; light waves do not

What are compressions and rarefactions in sound waves?

• Mediums of sound propagation

• Different frequencies of sound

• Types of sound waves

• High and low pressure regions

What is the SI unit of velocity?

• km/h

• cm/s

• m/s

• m/min