The Superposition of Two Waves And , Results in a Wave with a Wavelength of
A)

question 2

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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