The equation of a stationary wave is given byy=6sin(πx/3)cos40πt where y and x are given in cm and time t in second, the separation between two consecutive antinodes is:
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a
3 cm
b
6 cm
c
12 cm
d
20 cm
answer is A.
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Detailed Solution
k=2πλ π3=2πλ λ=6cmSeparation between two consecutive antinodes =λ2=62=3cm