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The wave described by \( y=0.25 \sin (10 \pi x-2 \pi t) \) where \( x \) and \( y \) are in meters and \( t \) in seconds, is a wave travelling
\( \mathrm{P} \) along the
[CBSE PMT 2008]
(a) Positive \( x \) direction with frequency \( 1 \mathrm{~Hz} \) and
W wavelength \( \lambda=0.2 m \)
(b) Negative \( x \) direction with amplitude \( 0.25 \mathrm{~m} \) and wavelength \( \lambda=0.2 \mathrm{~m} \)
(c) Negative \( x \) direction with frequency \( 1 \mathrm{~Hz} \)
(d) Positive \( x \) direction with frequency \( \pi \mathrm{Hz} \). and wavelength \( \lambda=0.2 \mathrm{~m} \)
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