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8.Electromagnetic waves
easy
વિદ્યુતચુંબકિય તરંગો માટે $\mathop E\limits^ \to $ અને $\mathop B\limits^ \to $ સદિશો વચ્ચે (ઉદ્દગમથી દુરના વિસ્તાર માટે) કળાનો તફાવત......
A
$0$
B
$\pi$
C
$\pi /2$
D
$3\pi /2$
Solution
The electric and magnetic field components of a linearly polarized electromagnetic wave oscillate in such a way that they peak at the same time and they become zero at the same time but they point to different directions in space, separated by an angle of $90^{\circ}$.
Since there is no time difference between the peaks of the electric and magnetic oscillations the phase difference between the electric and magnetic field vectors of a linearly polarized electromagnetic wave is zero.
Standard 12
Physics