Light and Optics Review

What is light?

• a. Energy carried by electricity
• b. Energy transferred by magnets
• c. Energy carried by electromagnetic waves
• d. Energy carried by mechanical waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What type of electromagnetic radiation or light can we see?

• a. Infrared
• b. Visible light
• c. Ultraviolet light
• d. All of the above

What is a photon?

• a. An element
• b. A compound
• c. An oscillating atom in matter that helps a wave propagate through a medium
• d. An elementary particle that oscillates to produce different types of electromagnetic waves

Tags

NGSS.HS-PS4-3

Which of the following statements does NOT correctly describe light and sound waves?

• a. Light waves can travel in a vacuum but sound waves cannot travel in a vacuum.
• b. Light waves are faster than sound waves.
• c. The energy of light and sound waves is related to the amplitude of the wave.
• d. Light waves are electromagnetic waves and sound waves are mechanical waves.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which type of electromagnetic radiation was important to early communication, such as Morse Code?

• a. Long Radio Waves
• b. Infrared
• c. UV light
• d. X-Rays

Tags

NGSS.MS-PS2-3

Which type of electromagnetic radiation is important to Bluetooth, WiFi, GPS, weather forecasting and cellphone communication?

• a. Radio waves
• b. Microwaves
• c. X-Rays
• d. Gamma Rays

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Which type of electromagnetic radiation is most often associated with thermal energy?

• a. Microwaves
• b. Infrared
• c. UV Light
• d. Gamma Rays

Tags

NGSS.MS-PS4-2

Why does an object appear black?

• a. It reflects all the color of light
• b. It absorbs all the colors of light
• c. It reflects the darkest colors of visible light (blue and violet)
• d. It absorbs the darkest colors of visible light (blue and violet)

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which type of electromagnetic radiation is most responsible for increasing the risk of skin cancer?

• a. Visible light
• b. UV light
• c. X-Rays
• d. Gamma Rays

Tags

NGSS.HS-PS4-4

Which type of electromagnetic radiation is produced by radioactive substances undergoing radioactive decay?

• a. Infrared
• b. UV light
• c. X-Rays
• d. Gamma Rays

Tags

NGSS.HS-PS1-8