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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
What would you call this?
Reflection
Diffraction
Refraction
Friction
- 7. Multiple Choice
What would you call this?
Refraction
Diffraction
Bends
Reflection
- 8. Multiple Choice
witch picture is diffraction
- 9. 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.
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