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- 1. Multiple Choice
what is diffraction
is a soild liquid gass
is a beam of light that is spread out and passes through an object
a beam of light
- 2. Multiple Choice
A wave of constant wavelength diffracts as it passes through an opening in a barrier. As the size of the opening is increased, the diffraction effects
decrease
increase
remain the same
- 3. Multiple Choice
This image is representing what wave interaction?RefractionDiffractionReflectionInterference - 4. Multiple Choice
What happens to the frequency of a wave as it passes through a gap？
Increases
Decreases
No change
None of above
- 5. Multiple ChoiceWhat is the main difference between refraction and diffraction?refraction is a phenomenon that affects light; diffraction is a phenomenon that affects soundrefraction involves the bending of light; diffraction involves the bending and spreading of light, usually around an obstacle
- 6. Multiple Choice
witch picture is diffraction
- 7. Multiple Choice
Which of the following is the best example of diffraction?
Your voice echoing back when you shout into a canyon
A straw appearing to bend when you place it in a glass of water
A prism breaking a beam of light into its component colors
The music on your stereo getting louder when you turn up the volume
- 8. Multiple Choice
Does the wave speed change after diffraction？Explain it.
Yes. It slows down.
Yes. It speeds up.
No. There is nothing change about the medium.
No. Because the frequency doesn't change.
- 9. Multiple Choice
how does diffraction work
it goes through water and air
is a beam of light stopping at a wall
it bounces off of light
is the bending of light as it passes around the edge of an object
- 10. Multiple Choice
A wave of constant wavelength diffracts as it passes through an opening in a barrier. As the size of the opening is increased, the diffraction effects
decrease
increase
remain the same
- 11. Multiple Choice
Which diagram best represents the shape and direction of a series of wave fronts after they have passed through a small opening in a barrier?
- 12. Multiple Choice
This diagram shows a series of straight wave fronts produced in a shallow tank of water approaching a small opening in a barrier.
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