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Properties of Light Quiz

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Questions and Answers

Which of the following is a form of electromagnetic radiation?

Heat

Pressure

Light (correct)

Sound

What is the speed of light in a vacuum?

$3 \times 10^8$ meters per second (correct)

$3 \times 10^{10}$ meters per second

$3 \times 10^6$ meters per second

$3 \times 10^4$ meters per second

Which color of light has the shortest wavelength?

Yellow

Blue (correct)

Green

Red

In which medium does light travel fastest?

Diamond Signup and view all the answers

What property of light determines its color?

Wavelength Signup and view all the answers

Which of the following is a characteristic of light?

Dual nature Signup and view all the answers

What happens to the speed of light when it passes through a material medium?

Decreases Signup and view all the answers

What does the term 'electromagnetic radiation' encompass?

Light Signup and view all the answers

Study Notes

Electromagnetic Radiation

Electromagnetic radiation includes forms such as X-rays, gamma rays, ultraviolet (UV) radiation, visible light, infrared (IR) radiation, microwaves, and radio waves.

Properties of Light

The speed of light in a vacuum is approximately 299,792,458 meters per second (m/s) or 186,282 miles per second (mi/s).

Light Characteristics

Violet light has the shortest wavelength among visible light colors.
The property of light that determines its color is its wavelength.
Light is a transverse wave and an electromagnetic wave.

Behavior of Light in Media

Light travels fastest in a vacuum, and its speed decreases when passing through a material medium, due to interactions with the medium's particles.
Electromagnetic radiation encompasses the entire spectrum of radiation, from low-frequency, long-wavelength radiation (radio waves, microwaves) to high-frequency, short-wavelength radiation (gamma rays, X-rays).

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Description

Test your knowledge about light with this quiz. Answer questions about electromagnetic radiation, speed of light, light wavelength, and the speed of light in different mediums.