Electromagnetic Radiation

Electromagnetic Radiation

Assessment

Flashcard

Physics

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is electromagnetic radiation?

Back

Electromagnetic radiation is a form of energy that travels through space at the speed of light and includes a range of waves such as radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

2.

FLASHCARD QUESTION

Front

What is the relationship between frequency and wavelength in electromagnetic waves?

Back

As the frequency of an electromagnetic wave increases, its wavelength decreases. This is an inverse relationship.

3.

FLASHCARD QUESTION

Front

What type of electromagnetic waves are used in microwave ovens?

Back

Microwaves are used in microwave ovens to vibrate water molecules, which heats food.

4.

FLASHCARD QUESTION

Front

What are radio waves used for?

Back

Radio waves are used for communication, including radio broadcasting, television signals, and radar.

5.

FLASHCARD QUESTION

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, organized by wavelength or frequency.

6.

FLASHCARD QUESTION

Front

What are infrared waves commonly used for?

Back

Infrared waves are commonly used in remote controls, thermal imaging, and night vision technology.

7.

FLASHCARD QUESTION

Front

What is the speed of electromagnetic waves in a vacuum?

Back

The speed of electromagnetic waves in a vacuum is approximately 299,792 kilometers per second (or about 186,282 miles per second).

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