Chapter 4 review

_______ waves have matter in a medium that moves perpendicular to the direction of the wave.

• longitudinal

• sound

• transverse

• light

_______ waves have matter that travel parallel to the direction of the wave.

• longitudinal

• transverse

• ocean

• radio

What type of waves do not require matter to carry energy?

• mechanical

• longitudinal

• electromagnetic

• transverse

The ________ of a wave is how many wavelengths pass a fixed point each second.

• compression speed

• velocity

• amplitude

• frequency

Which is the distance from the top of one crest of a transverse wave to the next crest in that wave?

• wavelength

• wave velocity

• frequency

• amplitude

The bending of a light wave as it moves from one medium to another is called

• diffraction

• interference

• refraction

• reflection

Why are you able to see most objects?

• light refracts through them

• light reflects off them

• they absorb light

• they emit light

Which of these has the shortest wavelength?

• radio waves

• infrared waves

• x-rays

• visible light

In which of the following mediums will light travel fastest?

• air

• empty space (vacuum)

• water

• glass

What causes a wave to refract?

• speed of light is reduced to zero

• speed of light remains constant

• the light is repelled by things

• the speed of light changes from one medium to the next