Jayasree posted an Question
December 28, 2021 • 16:50 pm 30 points
  • CSIR NET
  • Physical Sciences

Explain in detail

Q68. The electric field of an electromagnetic wave in vacuum is given by E E, cos (3y+ 4z -1.5x10t) The wave is reflected from the z=0 surface. If the pressure exerted on the surface is a e E, the value of a (rounded off to one decimal place) is

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