Suppose You Watch a Leaf Bobbing Up and Down as Ripples

question 30

Multiple Choice

Suppose you watch a leaf bobbing up and down as ripples pass it by in a pond. You notice that it does two full up and down bobs each second. Which statement is true of the ripples on the pond?

• A)They have a wavelength of two cycles per second.
• B)We can calculate the wavelength of the ripples from their frequency.
• C)They have a frequency of 2 hertz.
• D)They have a frequency of 4 hertz.

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Definitions:

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