In propagation of electromagnetic wave w...

In propagation of electromagnetic wave which of the following statement is correct?

A

Rate of flow of energy crossing a unit perpendicular area is described by the poynting vector `bar(s)`

B

Pointing vector , `(bar S = bar E * bar B)`

C

Electromagnetic wave cannot exert pressure on surface due to absence of momentum

D

Pressure exerted by electromagnetic wave on perfectly absorbing surface `(P=2 [s/c])` where s is the poynting vector

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