Electromagnetic Waves

Electromagnetic Waves

Assessment

Flashcard

Physics

11th 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 difference between how light waves and sound waves are created?

Back

Light waves are created by an electron vibrating to emit photons, while sound waves are created by a guitar string vibrating to move air molecules.

2.

FLASHCARD QUESTION

Front

How do the speeds of sound waves and light waves differ?

Back

Sound waves travel fastest in solids (high density), while light waves travel fastest in gases (or in a vacuum with no molecules).

3.

FLASHCARD QUESTION

Front

Which type of electromagnetic radiation has the longest wavelength?

Back

Radio waves have the longest wavelength among electromagnetic radiation.

4.

FLASHCARD QUESTION

Front

Which form of electromagnetic radiation has the lowest frequency, longest wavelength, and the least amount of energy?

Back

Radio waves have the lowest frequency, longest wavelength, and the least amount of energy.

5.

FLASHCARD QUESTION

Front

What type of waves are all electromagnetic waves?

Back

All electromagnetic waves are transverse waves and travel at the same speed in a vacuum.

6.

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 (km/s).

7.

FLASHCARD QUESTION

Front

What is the electromagnetic spectrum?

Back

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

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