Q 1869791615.     Suppose that the electric field part of an

electromagnetic wave in vacuum is

`E = {(3.1 N//C) cos ([1.8 rad//m) y + (5.4 xx 10^6 rad//s)t] } hati.`

(a) What is the direction of propagation?

(b) What is the wavelength `lamda`?

(c) What is the frequency v?

(d) What is the amplitude of the magnetic

field part of the wave?

(e) Write an expression for the magnetic

field part of the wave.

NCERT Chapter Solution 8/8.11
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