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The equation of stationary wave is : ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ λ π ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ λ π = x 2 cos nt 2 sin a 2 y Which of the following is NOT correct-

1. The dimensions of nt is [L]
2. The dimensions of n is [LT –1 ]
3. The dimensions of n/ λ is [T]
4. The dimensions of x is [L]

Correct answer: The dimensions of n/ λ is [T]

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