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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Waves
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Q)

The displacement y of a particle in a medium can be expressed as y=106sin(100t+20x+π4)m, where t is in second and x is in metre. The speed of the wave is

(a)2000m/s(b)5m/s(c)20m/s(d)5πm/s

 

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