1.

The intensity of a plane electromagnetic wave is 5W / m^(2) . It is incident on a perfectly reflecting surface. Find the radiation pressure:

Answer»

`3.33xx10^(-19) N//m^(2)`
`3.33xx10^(-8)N//m^(2)`
`8.0xx10^(-8)N//m^(2)`
`8.0xx10^(-9)N//m^(2)`

Solution :`U_(av)=(1)/(2)epsilon_(0)E_(0)^(2)`


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