The displacement `y` of a partcle in a medium can be expressed as, `y = 10^(-6) sin ((100t + 20x + (pi)/(4))m` where `t` is in second and `x` in meter. The speed of the wave isA. `2000m//s`B. `5m//s`C. `20m//s`D. `5pim//s`

The displacement `y` of a partcle in a medium can be expressed as, `y

1.	The displacement `y` of a partcle in a medium can be expressed as, `y = 10^(-6) sin ((100t + 20x + (pi)/(4))m` where `t` is in second and `x` in meter. The speed of the wave isA. `2000m//s`B. `5m//s`C. `20m//s`D. `5pim//s`
Answer» Correct Answer - B `v=(co-efficent of t)/(co-efficent of x)=(omega)/(k)=(100)/(20)=5 m//s`

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The displacement `y` of a partcle in a medium can be expressed as, `y = 10^(-6) sin ((100t + 20x + (pi)/(4))m` where `t` is in second and `x` in meter. The speed of the wave isA. `2000m//s`B. `5m//s`C. `20m//s`D. `5pim//s`

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