Light & Sound Waves

Front

What can travel through matter (gas, liquid, solid) and empty space?

Back

Light

Front

What is the term for the light that we can see?

Back

Visible light

Front

What happens to a light ray when it strikes an object?

Back

It is reflected.

Front

What is the term for the number of wavelengths that pass a point each second?

Back

Frequency

Front

What type of wave are sound waves classified as?

Back

Longitudinal wave

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (or about 186,282 miles per second).

Front

What is the phenomenon called when light bends as it passes from one medium to another?

Back

Refraction

Front

What is the range of wavelengths visible to the human eye?

Back

Approximately 400 to 700 nanometers.

Front

What is the relationship between frequency and wavelength in a wave?

Back

They are inversely related; as frequency increases, wavelength decreases.

Front

What is the term for the bouncing back of a wave when it hits a surface?

Back

Reflection