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рдкреНрд░рд╢реНрди
The time taken by a crest to travel a distance $$\lambda$$ is ______.
рдкрд░реНрдпрд╛рдп
T
$$\dfrac{T}{2}$$
$$\dfrac{T}{4}$$
$$\dfrac{T}{8}$$
MCQ
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The time taken by a crest to travel a distance $$\lambda$$ is T.
Explanation:
The time period \(T\) is the time taken by the wave to travel one wavelength \(\lambda\). Therefore, a crest travels a distance \(\lambda\) in time \(T\). Times \(T/2\), \(T/4\), and \(T/8\) correspond to smaller fractions of one wavelength.
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