Question

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7. A plane progressive wave is represented by the equation
y=0.1 sin(200rt - 20764 ) where y is displacement in m,
20TEX
(
17
t in second and x is distance from a fixed origin in
metre. The frequency, wavelength and speed of the
wave respectively are
(1) 100 Hz, 1.7 m, 170 m/s
(2) 150 Hz, 2.4 m, 200 m/s
(3) 80 Hz, 1.1 m, 90 m/s
(4) 120 Hz, 1.25 m, 207 m/s

Answer 1

Answer:

100Hz;1.7m;170m/s it's answer