Light Behavior and Properties Assessment

Light Behavior and Properties Assessment

Assessment

Interactive Video

Physics, Chemistry, Science

9th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explores the nature of light, its role in perception, and its scientific significance. It explains light as both a wave and a particle, detailing how atoms release energy as light through excited states. The video covers photon emission, the spectrum of light wavelengths, and different light sources, including incandescent and luminescent. It concludes with an explanation of why humans see the visible spectrum, influenced by atmospheric absorption.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does light play in our daily lives according to the video?

It is only used for vision.

It is a part of the electromagnetic spectrum and essential for information absorption.

It is a form of sound wave.

It is primarily used for heating.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does light behave according to the video?

Only as a particle.

Only as a wave.

As both a wave and a particle.

As neither a wave nor a particle.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are photons?

Magnetic fields.

Sound waves.

Units of light energy that behave like particles.

Continuous waves of energy.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when an electron returns to its ground state?

It becomes a proton.

It releases energy in the form of light.

It stops moving.

It absorbs energy.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary source of incandescent light?

Chemical reactions.

Blackbody radiation.

Electroluminescence.

Phosphorescence.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is luminescent light different from incandescent light?

It is a type of mechanical energy.

It is produced by heat.

It is not produced by heat.

It is a form of sound.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is chemiluminescence?

Light produced by mechanical energy.

Light produced by chemical reactions.

Light produced by heat.

Light produced by sound waves.

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