Electromagnetic Waves and Light Properties

Electromagnetic Waves and Light Properties

Assessment

Interactive Video

Physics

8th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers the topic of waves, focusing on electromagnetic waves and their properties. It explains the electromagnetic spectrum, detailing the different types of electromagnetic radiation, such as radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma rays. The tutorial also discusses the nature of light, its colors, and how they are perceived. The lesson concludes with a question to assess understanding.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary difference between electromagnetic and mechanical waves?

Electromagnetic waves require a medium to travel.

Mechanical waves can travel in a vacuum.

Electromagnetic waves can travel in a vacuum.

Mechanical waves are faster than electromagnetic waves.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about the speed of light?

It is the same as the speed of sound.

It requires a medium to travel.

It is approximately 300 million meters per second.

It is slower than sound.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What determines the color of light?

The wavelength of the light.

The medium through which it travels.

The temperature of the light source.

The intensity of the light.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which color of light has the shortest wavelength?

Red

Green

Blue

Violet

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the only type of electromagnetic wave visible to the human eye?

Infrared

Ultraviolet

Visible light

X-rays

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of electromagnetic wave is used in night-vision goggles?

Microwaves

Infrared radiation

Radio waves

Ultraviolet radiation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common use of microwaves besides cooking?

Bluetooth communication

Medical imaging

Sunburn treatment

X-ray imaging

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