Sound, Light, & Waves

Front

Sound waves move faster than light waves.

Back

False

Front

What means number of waves per second?

Back

frequency

Front

Which of the following waves is a light wave? mechanical, longitudinal, infrared, seismic

Back

infrared

Front

Which waves have the greatest amount of energy? (Options: gamma waves, radio waves, x-rays, infrared light)

Back

gamma waves

Front

The bouncing back of a light ray after hitting a surface is known as...

Back

reflection

Front

The bending of light is called refraction.

Back

True

Front

Higher frequency sound waves result in a lower pitch while a lower frequency waves result in a higher pitch. True or False?

Back

False

Front

What causes a yellow fire hydrant to appear yellow?

Back

It reflects yellow light.

Front

The _________ of a wave is simply the length of one complete wave cycle.

Back

wavelength

Front

The further right you go on the light wave spectrum, the more harmful the waves become.

Back

True