A source of frequency f sends waves of wavelength $\lambda$ traveling with speed v in some medium.If the frequency is changed from f to 2f, then the new wavelength and new speed are (respectively):
A)"2$\lambda$, v"
B)"$\lambda$/2, v"
C)"$\lambda$, 2v"
D)"$\lambda$, v/2"
E)"$\lambda$/2, 2v"

Question

Quizplus · Accepted Answer

The speed of wave propagation in a medium is constant for a given frequency and does not depend on the frequency. Therefore, if the frequency is doubled, the wavelength is halved to maintain the same wave speed.

A Source of Frequency F Sends Waves of Wavelength λ\lambdaλ Traveling with Speed V in Some Medium

A Source of Frequency F Sends Waves of Wavelength $\lambda$ Traveling with Speed V in Some Medium