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SAT® Subject Test in Physics

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Moderate

Shaking a Slinky

SATPHY-YE35YZ

As two students hold opposite ends of a slinky that is resting on the floor, one student shakes the end he is holding back and forth with a constant frequency. He later shakes exactly the same way but with a much greater frequency.

Which statement best describes other changes that take place as a result of this increased frequency?

A

The wave speed and the wavelength both increase.

B

The wave speed increases, but the wavelength does not significantly change.

C

The wavelength increases, but the wave speed does not significantly change.

D

The wave speed decreases, but the wavelength does not significantly change.

E

The wavelength decreases, but the wave speed does not significantly change.