Light and Optics Review

Electromagnetic waves are generated by ____________?

• movement of electric charges

• reflection of light waves
• conduction of heat energy
• gravitational force between objects

Tags

NGSS.HS-PS2-5

Which of the following is not a characteristic of electromagnetic waves?

• They require a medium to travel

• They travel at the speed of light in vacuum

• They can be polarized

• They are transverse waves

What is the speed of light in vacuum, commonly used in calculations involving electromagnetic waves?

• 3 x 10^8 m/s

• 2 x 10^8 m/s

• 1 x 10^8 m/s

• 5 x 10^8 m/s

Tags

NGSS.HS-PS4-1

Which component of the electromagnetic spectrum has the shortest wavelength?

• Infrared

• Visible Light

• Ultraviolet

• Gamma rays

Tags

NGSS.HS-PS4-1

electromagnetic waves with the longest wavelengths are

• gamma rays
• x-rays
• infrared waves
• radio waves

Tags

NGSS.HS-PS4-1

Electromagnetic waves are made up of ________.

• Protons

• Photons

• Electrons

• Leptons

Tags

NGSS.HS-PS4-3

Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength

• Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
• Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
• Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
• Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

Tags

NGSS.HS-PS4-1

Light acts as a _______?

• Particle

• Force

• Wave

• Mystery

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What form does light travel in?

• Curved line
• Zig-Zag
• Straight Line

Tags

NGSS.HS-PS4-3

If the index of refraction for air is approximately 1 and for water it is approximately 1.33, what can be inferred about the speed of light in these media?

• Light travels faster in water than in air

• Light travels slower in water than in air

• Light travels at the same speed in both water and air

• The speed of light in water is unpredictable

Tags

NGSS.HS-PS4-1