Wave Nature of Light Demonstration

Wave Nature of Light Demonstration

Assessment

Interactive Video

Physics

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial demonstrates the wave nature of light using a simple experiment. A laser beam is directed at a thin wire, and the resulting interference pattern is observed on a screen. This pattern, consisting of bright and dark bands, illustrates the constructive and destructive interference of light waves. The demonstration highlights the importance of understanding light as a wave phenomenon.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of the demonstration discussed in the video?

To show the particle nature of light

To demonstrate the wave nature of light

To explain the color spectrum of light

To measure the speed of light

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is a green laser used in the experiment?

Green lasers are cheaper

Green light has the longest wavelength

Green light is the most visible to the human eye

Green lasers are more powerful

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the screen in the experiment?

To display the interference pattern

To change the color of the laser

To reflect the laser beam

To block the laser beam

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the expected observation when the wire was introduced into the laser beam?

A rainbow pattern

A dark line in the center of the spot

A bright spot with no shadow

A completely dark screen

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What actually happens when the wire is placed in the path of the laser beam?

The spot disappears completely

A dark line appears in the center

Bright and dark bands appear on either side

The spot becomes larger

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes the bright regions on the screen in the interference pattern?

Constructive interference

Destructive interference

Absorption of light

Reflection of light

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of destructive interference in the experiment?

A single bright spot

No change in the pattern

Dark bands

Bright bands

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