# NEET Physics Waves Questions Solved

The equation of a wave is $y=2\mathrm{sin}\pi \left(0.5x-200t\right)$, where x and y are expressed in cm and t in sec. The wave velocity is

(1) 100 cm/sec

(2) 200 cm/sec

(3) 300 cm/sec

(4) 400 cm/sec

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