The dimensions of intensity of a wave are

The dimensions of intensity of a wave are
  1. \(\left[M L^{2} T^{-3}\right]\)
  2. \(\left[M L^{0} T^{-3}\right]\)
  3. \(\left[M L^{-2} T^{-3}\right]\)
  4. \(\left[M^{1} L^{2} T^{3}\right]\)

Solution

Intensity of wave
\(=\frac{\text { energy }}{\text { area } \times \text { time }}=\frac{M L^{2} T^{-2}}{L^{2} T}=\left[M L^{0} T^{-3}\right]\) *

Asked in: JEE Mains - Units and Dimensions - Chapter Test

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