The Superposition of Two Waves $y_{1}=\left(2 \times 10^{-8} \mathrm{~m}\right) \sin \left[\pi\left(\frac{x}{2 \mathrm{~m}}-\frac{170}{\mathrm{~s}} t\right)\right]$

question 41

Multiple Choice

The superposition of two waves $y_{1}=\left(2 \times 10^{-8} \mathrm{~m}\right) \sin \left[\pi\left(\frac{x}{2 \mathrm{~m}}-\frac{170}{\mathrm{~s}} t\right) \right]$ and $y_{2}=\left(2 \times 10^{-8} \mathrm{~m}\right) \sin \left[\pi\left(\frac{x}{2 \mathrm{~m}}-\frac{170}{\mathrm{~s}} t-\frac{1}{2}\right) \right]$ , results in a wave with a wavelength of:

• A) \(\frac{\pi}{2}\) m.
• B)2 m.
• C)( \(\pi\)m.)
• D)4 m.
• E)4 \(\pi\) m.

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