Sound Waves Quiz

What type of wave is sound?

• Transverse wave

• Longitudinal wave

• Electromagnetic wave

• Mechanical wave

What is the term used to describe the back-and-forth motion of a sound wave?

• Surface wave

• Torsional wave

• Displacement wave

• Compression wave

What is the range of frequencies that humans can comfortably hear?

• 100 - 100,000 Hz

• 50 - 50,000 Hz

• 20 - 20,000 Hz

• 10 - 10,000 Hz

What is the unit used to measure the loudness of a sound wave?

• Hertz

• Watt

• Bel

• Newton

What is the relationship between sound intensity and loudness?

• Quadratic

• Logarithmic

• Exponential

• Linear

What is the term used to describe the phenomenon where the pitch of a sound changes as the source moves towards or away from the listener?

• Doppler effect

• Wave distortion

• Pitch modulation

• Frequency shift

What is the frequency range of sounds that are too high for humans to hear?

• Hypersonic

• Supersonic

• Infrasonic

• Ultrasonic

What device uses an ultrasonic pitch to communicate with dogs?

• Cat whistle

• Bird call

• Dog whistle

• Mouse squeaker

What is the unit used to measure the loudness of a sound wave on a logarithmic scale?

• Decibel

• Bel

• Watt

• Hertz

What is the intensity range of sounds that humans can comfortably hear?

• 1 microwatt per square meter to 1 megawatt per square meter

• 1 nanowatt per square meter to 1 kilowatt per square meter

• 1 picowatt per square meter to 1 Watt per square meter

• 1 milliwatt per square meter to 1 gigawatt per square meter