Light Waves - All Chapters

Front

What happens to frequency when wavelength decreases?

Back

Frequency increases.

Front

Why does a black object get warm when light shines on it?

Back

Because it absorbs all types of visible light that reach it.

Front

Can light from the sun make special ink visible?

Back

Yes. The ink can take in energy from the light, causing it to become visible.

Front

Which type of light is most likely responsible for skin cancer?

Back

UV (Ultraviolet) light.

Front

How do we perceive an object as being the color white?

Back

All colors of visible light are reflected off an object and then to our eye.

Front

What is the relationship between wavelength and frequency in waves?

Back

When wavelength increases, frequency decreases.

Front

What type of light is used in tanning beds?

Back

UV (Ultraviolet) light.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (km/s).

Front

What is refraction?

Back

The bending of light as it passes from one medium to another.

Front

What is the visible spectrum?

Back

The range of wavelengths of light that can be seen by the human eye.