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On the surface of earth, average intensi...

On the surface of earth, average intensity of sunlight 1300 W . `m^(-2)`. If electric permittivity of free space or air is `8.845xx10^(-12) F.m^(-1)` ,Find the amplitude of magnetic field.

A

average amplitude of the electric field in the earth surface is almost 990 V . `m^(-1)`

B

average amplitude of the magnetic field in the earth surface is almost `3.3xx10^(-8) Wb.m^(-2)`

C

average energy density of sunlight in the earth surface is almost `4.33xx10^(-6)J .m^(-3)`

D

in case of normal incidence, the polarisation surface is parallel to the earth surface

Text Solution

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The correct Answer is:
A, B, D
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