Electromagnetic Spectrum 2024

Electromagnetic Spectrum 2024

Assessment

Flashcard

Science

8th 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 the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes visible light, radio waves, microwaves, infrared, ultraviolet, X-rays, and gamma rays.

2.

FLASHCARD QUESTION

Front

What is the speed of light in a vacuum?

Back

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

3.

FLASHCARD QUESTION

Front

Why can light travel through a vacuum?

Back

Light can travel through a vacuum because it does not require a medium (like air or water) to propagate; it is an electromagnetic wave.

4.

FLASHCARD QUESTION

Front

What are X-rays used for in medicine?

Back

X-rays are used in medicine to create images of the inside of the body, helping doctors to detect broken bones and other medical conditions.

5.

FLASHCARD QUESTION

Front

What type of electromagnetic waves are used in microwave ovens?

Back

Microwaves are the type of electromagnetic waves used in microwave ovens to heat food.

6.

FLASHCARD QUESTION

Front

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

Back

The relationship is inversely proportional; as the wavelength increases, the frequency decreases, and vice versa.

7.

FLASHCARD QUESTION

Front

What are gamma rays and their uses?

Back

Gamma rays are high-frequency electromagnetic waves with very short wavelengths, used in medical treatments and imaging, as well as in cancer therapy.

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