3918599
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace más de 8 años
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Pregunta 1
Pregunta
The diagram shows one frame of a movie of a wave travelling along a string. If you advance the movie one frame, the knot at point A would be:
Respuesta
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A. in the same place
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B. higher
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C. lower
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D. to the right
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E. to the left
Pregunta 2
Pregunta
2. If the person generates a new pulse like the first but more quickly, the pulse would be:
Respuesta
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A. same size
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B. wider
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C. narrower
Pregunta 3
Pregunta
If the person generates another pulse like the first but he moves his hand further, the pulse would be:
Respuesta
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A. same size
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B. taller
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C. shorter
Pregunta 4
Pregunta
If the person generates another pulse like the first
but the rope is tightened, the pulse will move
Respuesta
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A. at the same rate
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B. faster
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C. slower
Pregunta 5
Pregunta
If you advance the movie one frame, the knot at point A would be:
Respuesta
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A. in the same place
-
B. higher
-
C. lower
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D. to the right
-
E. to the left
Pregunta 6
Pregunta
If you advance the movie one frame, the pattern of the waves will be _________relative to the hand.
Respuesta
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A. in the same place
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B. shifted right
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C. shifted left
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D. shifted up
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E. shifted down
Pregunta 7
Pregunta
If the person starts over and moves his hand more quickly, the peaks of the waves will be:
Respuesta
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A. the same distance apart
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B. further apart
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C. closer together
Pregunta 8
Pregunta
8.If you lower the frequency of a wave on a string you will:
Respuesta
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A. lower its speed.
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B. increase its wavelength.
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C. lower its amplitude.
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D. shorten its period.
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