EMS Review

Which EM waves have the longest wavelength?

• radio

• x-rays

• ultraviolet

• gamma rays

Which EM waves have the shortest wavelength?

• radio

• x-rays

• ultraviolet

• gamma rays

Which EM waves are have a SHORTER wavelength than visible?

• radio

• none

• infrared

• x-rays

Tags

NGSS.HS-PS4-1

Which EM waves are have the lowest frequency?

• radio

• none

• infrared

• x-rays

Which EM waves are have the highest energy & are the most dangerous?

• radio

• gamma rays

• infrared

• x-rays

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which color waves have the lowest frequency?

• red

• yellow

• green

• violet

Which color waves have the shortest wavelength?

• red

• yellow

• green

• violet

What happens to frequency when wavelength decreases?

• stays the same

• decreases

• increases

• There is no relationship between wavelength & frequency.

Tags

NGSS.HS-PS4-1

The diagram shows a person observing a thunderstorm located several kilometers away. The person hears the thunder several seconds after seeing the lightning. Which statement accurately explains the difference in observations of sound and light by the observer?

 

• Human eyes see light faster than their ears can hear sound.

• The medium the waves are traveling through is different for each type of wave.

• Light waves travel faster than sound waves.

• Sound waves travel faster than light waves.

What do electromagnetic waves NOT need to transfer energy?

• matter

• speed

• wavelength

• frequency