Unit 5 Test: EM Waves

Front

What is the ability of light waves to be taken into an object or medium called?

Back

Absorption

Front

When light waves intersect each other, do their waves go through each other without any changes?

Back

False

Front

What layer of the atmosphere shields us from the sun’s harmful ultraviolet radiation?

Back

Ozone Layer

Front

What happens when light waves bounce off the surfaces of objects?

Back

Reflection

Front

What type of electromagnetic radiation has wavelengths longer than visible light and shorter than radio waves?

Back

Infrared

Front

What is the term for the bending of light as it passes from one medium to another?

Back

Refraction

Front

What is the process called when light waves pass through a material?

Back

Transmission

Front

What is the name of the phenomenon where light spreads out after passing through a small opening?

Back

Diffraction

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, including visible light, radio waves, and X-rays.

Front

What is the speed of light in a vacuum?

Back

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