Light as an Electromagnetic Wave and Properties Quiz

What is light classified as?

• A sound wave

• A mechanical wave

• An electromagnetic wave

• A gravitational wave

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Which of the following is true about light?

• Light requires a medium to travel.

• Light is made of oscillating electric and magnetic fields.

• Light travels slower than sound in a vacuum.

• Light is part of the mechanical wave spectrum.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

How do humans perceive light?

• By hearing sound waves

• By receiving light and forming images in the mind

• By feeling vibrations

• By detecting heat

Who invented the electric light bulb in 1879?

• Nikola Tesla

• Thomas Edison

• Alexander Graham Bell

• Benjamin Franklin

What happens to the UV light produced by fluorescent bulbs?

• It is absorbed by atoms in the white coating on the inside

• It is released into the air

• It is converted into heat

• It is reflected back into the bulb

Tags

NGSS.MS-PS4-2

What happens to the energy of light when the wavelength increases?

• Energy increases

• Energy decreases

• Energy remains constant

• Energy doubles

Tags

NGSS.HS-PS4-1

Which color in the visible spectrum has the shortest wavelength and the highest energy?

• Red

• Green

• Violet

• Yellow

The visible spectrum of light includes which range of wavelengths?

• 400 nm to 700 nm

• 100 nm to 400 nm

• 700 nm to 1000 nm

• 10 nm to 100 nm

What are the small packets of light called?

• Electrons

• Photons

• Neutrons

• Protons

What is the formula for photon energy?

• E = mc²

• E = hf

• E = mv²

• E = hλ