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

amplitude

6

units

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amplitude

2

units

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wave speed

2

units

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wave speed

1 / 2

units

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Solution

The correct options are
B amplitude $2$ units
C wave speed $2$ units
The sinusoidal part has maximum value of $2$ . Thus $2$ units is amplitude.
$y = y_{1} + A sin (w t - k x)$
$v = \frac{w}{k} = \frac{6}{3} = 2 m / s$
Wave speed is $2$ units.

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