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

Wave Nature of Light Demonstration

Interactive Video
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Physics
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9th - 10th Grade
•
Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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