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Units and Measurements question

2024 · 4 Apr · Shift 1 · Q72
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Units and Measurements question

2024 · 4 Apr · Shift 1 · Q72

JEE MainPhysicsUnits and MeasurementsMCQ+4 / −1
The equation of stationary wave is : y=2asin⁡(2πntλ)cos⁡(2πxλ). y=2 \mathrm{a} \sin \left(\frac{2 \pi \mathrm{nt}}{\lambda}\right) \cos \left(\frac{2 \pi x}{\lambda}\right) \text {. }y=2asin(λ2πnt​)cos(λ2πx​).  Which of the following is NOT correct :
  1. A
    The dimensions of nt\mathrm{nt}nt is [L]
  2. B
    The dimensions of nnn is [LT−1][\mathrm{LT}^{-1}][LT−1]
  3. C
    The dimensions of xxx is [L]
  4. D
    The dimensions of n/λn / \lambdan/λ is [T]
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