The energy per unit volume in an electromagnetic wave is A) equally divided betw

Question

The energy per unit volume in an electromagnetic wave is A) equally divided between the electric and magnetic fields. B) all in the magnetic field. C) mostly in the electric field D) all in the electric field. E) mostly in the magnetic field. When a gas undergoes an isothermal process, there is A) no change in the temperature of the gas. B) no work done by (or on) the gas. C) no change in the pressure of the gas D) no change in the volume of the gas. E) no heat added to the gas. An ideal gas is compressed in a well-insulated chamber using a well-insulated piston. This process is A) adiabatic. B) isobaric. C) isochoric.

Explanation / Answer

3)

a) Energy per unit volume of electromagnetic wave is equally divided between the electric and magnetic fields.

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