A standing wave is represented by y = A sin (100t) cos (0.01x) where y

1.	A standing wave is represented by y = A sin (100t) cos (0.01x) where y and A are in millimetres, t in seconds and x in metres. The velocity of the wave is ………(a) 104 m/s (b) 1 m/s (c) 10-4 m/s (d) not derivable from the above information
Answer» (a) 10⁴ m/s v = \(\frac{ω}{k}\) = \(\frac{100}{0.10}\) = 10⁴ m/s

A standing wave is represented by y = A sin (100t) cos (0.01x) where y and A are in millimetres, t in seconds and x in metres. The velocity of the wave is ………(a) 104 m/s (b) 1 m/s (c) 10-4 m/s (d) not derivable from the above information

Answer»

(a) 10⁴ m/s

v = \(\frac{ω}{k}\) = \(\frac{100}{0.10}\) = 10⁴ m/s

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A standing wave is represented by y = A sin (100t) cos (0.01x) where y and A are in millimetres, t in seconds and x in metres. The velocity of the wave is ………(a) 104 m/s (b) 1 m/s (c) 10-4 m/s (d) not derivable from the above information

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