Light & EMR Review

To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its

• wavelength

• refraction

• intensity

• amplitude

Infrared rays have a shorter wavelength than

• Ultraviolet ray

• X-rays

• gamma rays

• radio waves

The waves with the longest wavelengths in the electromagnetic spectrum

• Infrared rays

• gamma rays

• radio waves

• X-rays

What happens to frequency when the energy increases?

• it increases

• it stays the same

• it decreases

What part of the wave is shown at letter A?

• crest

• wavelength

• trough

• frequency

Which part of the wave is shown at letter B?

• crest

• wavelength resting point

• trough

Which part of the wave is shown at letter C?

• crest

• resting point

• wavelength

• amplitude

What does a wave carry?

• boats

• energy

• matter

• water

Which wave has a longer wavelength?

• wave C

• wave D

Which wave has a greater frequency?

• wave B

• wave C