Light Waves and Colors

Front

What does refract mean?

Back

To bend.

Front

What happens when all colors are reflected?

Back

The color appears white.

Front

Do electromagnetic waves require a medium?

Back

False, they can travel through a vacuum.

Front

Which color has the longest wavelength?

Back

Red.

Front

What is the correct order of the visible light spectrum?

Back

Red, orange, yellow, green, blue, indigo, violet.

Front

What is the definition of wavelength?

Back

The distance between two consecutive peaks of a wave.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is dispersion of light?

Back

The separation of light into its different colors.

Front

What is the role of a prism in light?

Back

A prism refracts light, separating it into a spectrum of colors.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light, while refraction is the bending of light as it passes through different mediums.