Light Waves Properties

At the store, you can buy white lightbulbs with different watts (power). A 40 watt lightbulb is less bright than a 110 watt lightbulb. What statement below is true about the lights?

• The lights have the same amplitude, but different frequencies.

• The lights have the same amplitude, and the same frequencies.

• The lights have the different amplitudes, but the same frequencies.

• The lights have the different amplitudes and different frequencies.

Tags

NGSS.MS-PS4-1

Below are two waves. Based upon their properties, what color light is Wave 1?

• 
• 

Tags

NGSS.MS-PS4-1

Below are two waves. Based upon their properties, what light bulb matches Wave 2?

• 
• 

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which wave has the highest frequency?

• A

• B

• C

• None (same frequency)

Tags

NGSS.MS-PS4-1

What types of waves can travel through empty space AND mediums?

• Longitudinal

• Mechanical

• Electromagnetic

Tags

NGSS.HS-PS4-3

As wavelength decreases, the crests of the wave:

• become wider

• become shorter

• get closer together

• get farther apart

If a wave has a short wavelength, it will have __________ energy.

• High

• Medium

• Low

Tags

NGSS.HS-PS4-1

Which property of light waves determines their color?

• Frequency

• Amplitude

• Speed

• Phase

What happens to the speed of light when it passes from air into water?

• It increases

• It decreases

• It remains the same

• It becomes zero

Tags

NGSS.MS-PS4-2

Which of the following is a characteristic of light waves that allows them to exhibit interference?

• Amplitude

• Frequency

• Coherence

• Speed