Sound Waves Quiz

What type of wave is a sound wave?

• Longitudinal wave

• Transverse wave

• Mechanical wave

• Electromagnetic wave

What is the name of the piece of stiff material in a phone's speaker that vibrates the air to produce sound?

• Amplifier

• Transducer

• Diaphragm

• Resonator

What is the term used to describe sounds that are too high for humans to hear?

• Ultrasonic

• Subsonic

• Infrasonic

• Audible

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

• 10 - 10,000 Hz

• 20 - 20,000 Hz

• 30 - 30,000 Hz

• 40 - 40,000 Hz

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

• Newton

• Bel

• Hertz

• Watt

What is the intensity of a sound wave measured in?

• Joules per second

• Watts per square meter

• Volts per meter

• Amps per square meter

What is the relationship between the intensity of a sound wave and its loudness?

• Quadratic

• Linear

• Logarithmic

• Exponential

What is the name of the effect that causes the pitch of a sound to change as the source of the sound moves relative to the observer?

• Coriolis effect

• Bernoulli effect

• Doppler effect

• Venturi effect

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

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

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

• Bel

• Decibel

• Neper

• Sone