S1: Waves, Sound and Light

Sound waves from a radio generally travel in which medium?

• air

• light

• earth

• water

If a transverse wave is moving from right to left, the individual particles in the medium are moving

• right to left.

• left to right.

• up and down.

• None of the above

Waves are often caused by

• potential energy.

• mechanical energy.

• colliding objects.

• vibrating objects.

Our eyes can detect light only within a range of _____ called visible light.

• frequencies

• mediums

• speeds

• periods

The maximum displacement of a particle by a wave is called

• amplitude

• wavelength

• frequency

• period

The _____ is the distance between two crests of a wave.

• amplitude

• wavelength

• frequency

• period

The _____ is the time it takes for one wave to pass by a point.

• frequency

• period

• amplitude

• wave speed

The speed of a sound wave

• depends on wavelength.

• depends on the medium.

• depends on amplitude.

• None of the above

Waves travel quickly in a _____ because the molecules are closely packed and physically bonded together.

• liquid

• gas

• solid

• None of the above

The Doppler effect is an observed change in a wave’s

• wavelength

• period

• amplitude

• frequency