Wave Speed Quiz

What is the equation for wave speed?

• wave speed = wavelength / frequency

• wave speed = frequency / wavelength

• wave speed = amplitude x wavelength

• wave speed = frequency x wavelength

Which of the following factors affects wave speed?

• Frequency and wavelength

• Medium and properties of the medium

• Temperature and pressure

• Amplitude and energy

True or False: Wave speed is affected by the medium through which the wave travels.

• Wave speed is not affected by the medium

• False

• Wave speed is only affected by the amplitude

• True

In which medium does sound travel faster?

• Vacuum

• Gases

• Solids

• Liquids

What happens to the speed of a wave if the frequency increases?

• The speed of the wave becomes zero.

• The speed of the wave increases.

• The speed of the wave remains constant.

• The speed of the wave decreases.

What happens to the speed of a wave if the wavelength decreases?

• The speed of the wave increases.

• The speed of the wave becomes zero.

• The speed of the wave remains constant.

• The speed of the wave decreases.

What is the unit of wave speed?

• kg/m

• m/s

• m²/s

• km/h

Which of the following is not a unit of wave speed?

• Kilometers per hour

• Meters per second

• Hertz per second

• Hertz

True or False: The speed of light is constant in all mediums.

• True

• The speed of light is only constant in solids

• The speed of light is only constant in a vacuum

• False

What is the approximate speed of light in a vacuum?

• 299,792,458 meters per second

• 3,000,000 meters per second

• 500,000,000 meters per second

• 100,000,000 meters per second