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# Tuning Fork Standing Waves

APPH12-N8JDG4

A hollow tube is open on both ends. A tuning fork with a frequenty ${ f }_{ 0 }$ is struck and held near one end of the tube, creating a first harmonic standing wave in the tube with wavelength $\lambda _{0}$. A different tuning fork with a frequency $\frac{f_{0}}{2}$ is then struck and held near one end of the tube.

Which of the following is the wavelength of the standing wave created in the tube?

A

$\lambda _{0}$

B

$\dfrac{\lambda _{0}}{2}$

C

$2\lambda _{0}$

D

No standing wave is created.