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castortr0y [4]
2 years ago
13

The picture below shows a person swinging a toy plane attached to a string in

Physics
1 answer:
Elina [12.6K]2 years ago
3 0

Answer:The answer is option C, the point A

Explanation:Just did it

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For a given wave IF frequency doubles the wavelength
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Answer:

C is halved

Explanation:

The frequency and the wavelength of a wave are related by the equation:

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From the equation above, we see that for a given wave, if the wave is travelling in the same medium (and so, its speed is not changing), then the frequency and the wavelength are inversely proportional to each other.

Therefore, if the frequency doubles, the wavelength will halve in order to keep the speed constant:

\lambda = \frac{v}{f}\\\lambda' = \frac{v}{f'}=\frac{v}{2f}=\frac{1}{2}(\frac{v}{f})=\frac{\lambda}{2}

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