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AP® Physics 1 & 2

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New Frequency if Wavelength Doubles

APPH12-ZVQOQQ

A certain light wave initially has frequency $f$ and wavelength $\lambda$.

What is the wave's new frequency if its wavelength is doubled?

A

$\dfrac{f}{2}$

B

$f$

C

$2f$

D

$4f$