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Waves question

2022 · 28 Jul · Shift 1 · Q54
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Waves question

2022 · 28 Jul · Shift 1 · Q54

JEE MainPhysicsWavesMCQ+4 / −1
In the wave equation y=0.5sin⁡2πλ(400t−x) my=0.5 \sin \frac{2 \pi}{\lambda}(400 \mathrm{t}-x) \,\mathrm{m}y=0.5sinλ2π​(400t−x)m the velocity of the wave will be:
  1. A
    200 m/s
  2. B
    200 2\sqrt22​ m/s
  3. C
    400 m/s
  4. D
    400 2\sqrt22​ m/s
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