The equation of a stationary wave is y=sinπx3cos10πt where x and y are in centimeters and t in seconds. The separation between two consecutive nodes is
A
1.5cm
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B
6.0cm
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C
3.0cm
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D
18cm
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Solution
The correct option is D3.0cm Comparing the given equation with standard stationary wave equation, we get k=π3=2πλ⇒λ=6 cm. Hence, the separation between two consecutive nodes =λ2=3 cm.