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The equation of a wave distrubance is a...

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

A

a node occurs at x = 0.15 m

B

an antinode occurs at x = 0.3 m

C

the speed of the wave is 5.0 m/s

D

the wavelength is 0.2 m

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A, B, D
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