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A plane progressive wave is represented by the equation `y=0.1 sin (200 po t-(20 pi x)/(17))`where y is displacement in m , t in second and x is distance from a fixed origin in meter . The frequency, wavelength and speed of the wave respectively areA. `100Hz, 1.7 m, 170 m//s`B. `150 Hz, 2.4 m, 200 m//s`C. `80 Hz, 1.1 m , 90 m//s`D. `120 Hz, 1.25 m, 207 m//s` |
| Answer» Correct Answer - A | |