[User]
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which of the following statements about the cornea is false?
Choice list: A. it is transparent.
B. it helps focus light.
C. it helps protect the eye.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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which structure controls the amount of light that enters the eye?
Choice list: A. retina
B. lens
C. pupil
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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the membrane lining the back of the eye is the
Choice list: A. cornea.
B. sclera.
C. retina.
D. optic nerve.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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rods are nerve cells that sense different colors of light.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many waves occur at the top left diagram?
Choice list: A. 4
B. 5
C. 3
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many kinds of waves are shown?
Choice list: A. 1
B. 3
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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During interference, what happens to A and B?
Choice list: A. B gets higher and A lower
B. The both are flat and cancel each other out
C. A and B both get higher
D. A gets higher and B lower
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many types of interference is shown in the illustration below?
Choice list: A. 3
B. 1
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many waves are there before interference?
Choice list: A. 3
B. 4
C. 2
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is the resulting amplitude of the wave produced by destructive interference?
Choice list: A. No amplitude
B. No change in amplitude
C. Less amplitude
D. Greater amplitude
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What occurs when waves come together in such a way that they completely cancel each other out?
Choice list: A. After Interference
B. During Interference
C. Before Interference
D. Destructive Interferene
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What does 1 + 2 produce?
Choice list: A. Really Curvy Line
B. Wavy Line
C. Straight Line
D. Curvy Line
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many Types of wave collisions shown?
Choice list: A. 4
B. 1
C. 3
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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In the illustration below, how many were results of a constructive interference?
Choice list: A. Neither A nor B
B. B only
C. A only
D. Both A and B
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What kind of waves cancel each other?
Choice list: A. Non-Harmonic
B. Harmonic
C. Destructive
D. Constructive
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What distinguish a constructive interference?
Choice list: A. The waves have the same frequency
B. The waves are in phase
C. The waves have the same amplitude
D. The waves have the same wavelength
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which interference cancels out two waves?
Choice list: A. comparative
B. constructive
C. destructive
D. instructive
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How are waves added?
Choice list: A. By amplitude
B. By type
C. By direction
D. By frequency
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What do you have when wave amplitudes are canceled?
Choice list: A. zero
B. amplitude
C. wave amplitude
D. zero amplitude
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What is the type of interference represented in figure a?
Choice list: A. Constructive
B. Destructive
C. Positive
D. Negative
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How do waves become zero?
Choice list: A. when they go in the same direction
B. opposing waves cancel
C. when they have the same period
D. when they have the same wavelength
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What kind of interference decreases wave amplitude?
Choice list: A. Constructive Interference
B. In phase wave
C. Out of phase wave
D. Destructive Interference
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many waves are interfering here?
Choice list: A. 3
B. 4
C. 2
D. 0
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What happens when two in phase waves combine?
Choice list: A. Destructive interference
B. I don't know
C. Constructive interference
D. Nothing
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What degree out of phase causes a destructive interference?
Choice list: A. 180 degree
B. 180 degrees
C. 100 degree
D. 18 degree
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What's the result of one wave's crest overlapping the crests of the other wave?
Choice list: A. Destructive Interference
B. Constructive interference
C. Wave Interference
D. Wave Interaction
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What happens to the wave during destructive interference?
Choice list: A. waves become flat
B. waves become higher
C. stay the same
D. waves become smaller
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Constructive interference occurs because the waves are?
Choice list: A. out of phase
B. different
C. similar
D. in phase
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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When the crest of one wave meets the trough of another, what happens?
Choice list: A. The result is a lower trough
B. The result is a longitudinal wave
C. The result is higher amplitude
D. The result is a lower total amplitude
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which inference results in resulting wave having increased amplitude?
Choice list: A. sophisticated interference
B. constructive interference
C. destructive interference
D. complimentary interference
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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wave interference refers to wave interactions that can occur between a wave and
Choice list: A. another wave.
B. its reflected wave.
C. its medium.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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when two waves pass through each other in opposite directions, the interference affects their
Choice list: A. amplitude.
B. frequency.
C. wavelength.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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constructive interference occurs when the crests of one wave overlap the troughs of the other wave.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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destructive interference occurs when the crests of two waves overlap.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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standing waves form only when waves reflect at a 90-degree angle.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A