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Speed of Sound

A wave equati...

Question

A wave equation which gives the displacement along the Y direction is given by $y = 10^{- 4} s i n (60 t + 2 x)$ where x and y are in metres and t is time in seconds. This represents a wave

A

traveling with a velocity of 30 m/s in the negative x direction

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B

of wavelength

π

metre

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C

of frequency

30 / π

hertz

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D

of amplitude

10^{- 4}

metre

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Solution

The correct options are
A traveling with a velocity of 30 m/s in the negative x direction
B of wavelength $π$ metre
C of frequency $30 / π$ hertz
D of amplitude $10^{- 4}$ metre

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