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- 1. Multiple Choice
What is the definition for the word amplitude?
The number of complete waves that pass per second
The distance from the peak of one wave to the peak of an adjacent wave.
The distance from the equilibrium position of a peak plus the same distance from a trough.
The maximum distance from the equilibrium position of any point on a wave
- 2. Fill in the Blank
what is the name given to the effect that allows wavefronts to reach point X, shown in the diagram?
- 3. Multiple Choice
Which 2 points on the wave are exactly one wavelength apart?
P and S
Q and R
Q and S
P and R
- 4. Multiple Choice
Water waves travel from deeper water to more shallow water. This causes them to refract.
Which property always remains the same when refraction occurs?
Wavelength
Frequency
Amplitude
Speed
- 5. Multiple Choice
A
B
C
D
- 6. Fill in the Blank
What is the unit for wavelength?
- 7. Fill in the Blank
What is the unit for frequency?
- 8. Fill in the Blank
What is the unit for velocity?
- 9. Multiple Choice
what is the formula for finding the wavelength of a wave?
v = f λ
λ / v = f
v f = λ
λ / f = v
- 10. Multiple Choice
A
B
C
D
- 11. Fill in the Blank
Sound waves travel at a speed of 1500m/s through a substance. Their wavelength is 5.0 cm. What is their frequency?
- 12. Multiple Choice
It doubles
It halves
It remains the same
It becomes four times as large
- 13. Multiple Choice
The speed of wave increases.
The speed of wave decreases.
The frequency increases.
The frequency decreases.
- 14. Multiple Choice
Decrease the speed of waves (but keep the wavelength the same).
Increase the speed of the waves (but keep the wavelength the same).
Make the gap smaller
Make the gap bigger
- 15. Multiple Choice
What is a frequency?
the number of wave crests passing a point in one second.
the numbers of waves in total.
the height of the waves times each second.
the speed of waves over time.
- 16. Fill in the Blank
Velocity = ______ x lambda
- 17. Multiple Choice
What is the wavelength?
The distance from one wave peak to another
number of wave crests passing a point in one second
the height of the wave peak
the energy that the waves carry
- 18. Fill in the Blank
Sound waves are ______ waves
- 19. Fill in the Blank
light waves are ______ waves
- 20. Fill in the Blank
the vibrations of longitudinal waves are _______ to the direction in which the waves are travelling.
- 21. Fill in the Blank
the vibrations of transverse waves are _______ to the direction in which the waves are travelling.
- 22. Multiple Choice
what is the arrow pointing to?
compression
rarefaction
- 23. Fill in the Blank
when plane waves reflect from a straight barrier, the angle of each reflected wave is ____ to the angle of each incident wave to the barrier.
- 24. Multiple Choice
Diffracted waves spread out ______ if the gap is wider.
more
less
the same
- 25. Multiple Choice
The narrower the gap, the ____ the diffracted waves are spread out.
more
less
- 26. Multiple Choice
The word diffraction means...
dispersing of waves
reflecting of waves
refraction of waves
spreading of waves
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