Waves and EMS

Which EM waves have the longest wavelength?

• radio

• x-rays

• ultraviolet

• gamma rays

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

The lower the frequency the ______ the energy.

• higher

• lower

• neither, stays the same

Tags

NGSS.MS-PS4-1

How much of the electromagnetic spectrum is made up of visible light?

• only a small portion
• a very l;arge portion
• about half

Which color has the longest wavelength?

• Red

• Orange

• Yellow

• Blue

The blue section of the wave is measuring _________________.

• wavelength
• crest
• trough
• amplitude 

Tags

NGSS.MS-PS4-1

What property of the wave is represented by the letter "B"?

• amplitude
• crest
• trough
• wavelength

Tags

NGSS.MS-PS4-1

Which has a higher frequency?

• Wave N

• Wave O

• Same frequency

• There is no frequency

Tags

NGSS.MS-PS4-1

The part of the longitudinal wave that is close together is...

• compressions
• rarefactions