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(C) The standard equation of a stationary wave is given by $y = A \cos \left( \frac{2\pi x}{\lambda} \right) \sin (\omega t)$.Comparing the given equa

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(C) The standard equation of a stationary wave is given by $y = A \cos \left( \frac{2\pi x}{\lambda} ight) \sin (\omega t)$.Comparing the given equation $y = 5 \cos \left( \frac{\pi x}{3} ight) \sin (40 \pi t)$ with the standard form,we have:$\frac{2\pi}{\lambda} = \frac{\pi}{3}$.Solving for wavelength $\lambda$:$\lambda = 6 	ext{ cm}$.The distance between two consecutive nodes is given by $\frac{\lambda}{2}$.Therefore,distance $= \frac{6}{2} = 3 	ext{ cm}$.

The equation of a stationary wave is given by $y = 5 \cos \left( \frac{\pi x}{3} \right) \sin (40 \pi t) \text{ cm}$. What is the distance between two consecutive nodes in $\text{cm}$?

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