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Q.

The equation y = 4+2 sin (6t – 3x) represents a wave motion with

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a

Amplitude 6 units

b

Amplitude 2 units

c

Wave speed 2 units

d

Wave speed 1/2 units

answer is B, C.

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Detailed Solution

detailed_solution_thumbnail

This can also be written as y-4= 2sin(6t-3x).

So y=4 will be the mean point.

Amplitude =2 

Angular frequency= 6

Wave number = 3

Wave speed = Angular frequency/Wave number =6/3 = 2 m/s

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