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The equation of a wave disturbance is gi...

The equation of a wave disturbance is given as `y=0.02cos((pi)/(2)+50pit) cos(10pix)`, where x an y are in metre and t in second. Choose the wrong statement.

A

Antinode occurs at x=0.3

B

The wavelength is 0.2m

C

The speed of the consituent is 4m/s

D

Node occurs at x=0.15m

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The correct Answer is:
C
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