Question

An electromagnetic wave exert pressure on the surface on wch it is incident.justify.

Answer 1

An electromagnetic wave exerts pressure on the surface on which it is incident as the Em waves show particle like behaviour and interact with particles on the surface.

• When an object gets hit by an electromagnetic wave, the energy is either reflected or absorbed or sometimes parts of both, so the radiation does exerts a surface pressure.
• Radiation pressure is the pressure exerted on any surface as a result of the energy interaction between the material and the electromagnetic force. This involves the energy of light or electric radiation of whatever wavelength is absorbed, transmitted or otherwise released

Answer 2

An electromagnetic wave applies pressure on the surface on which its incidence as the electromagnetic waves show molecule like conduct and communicate with particles superficially.  

Explanation:

• At the point when an item gets hit by an electromagnetic wave, the vitality is either reflected or assimilated now and again parts of both, so the radiation does applies a surface weight.  
• Radiation pressure is the applied pressure on any surface because of the interaction of the energies between the material and the electromagnetic power.
• This includes the vitality of light or electric radiation of whatever wavelength is assimilated, transmitted or generally discharged.

To know more:

Difference between electromagnetic wave theory and planck's quantum theory

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