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A plane electromagnetic wave travelling along the -direction has a wavelength of . The variation in the electric field occurs in the -direction with an amplitude . The equations for the electric and magnetic fields as a function of  and  are respectively

a)

b)

c)

d)



Question ID - 150181 | SaraNextGen Top Answer

A plane electromagnetic wave travelling along the -direction has a wavelength of . The variation in the electric field occurs in the -direction with an amplitude . The equations for the electric and magnetic fields as a function of  and  are respectively

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

Since electromagnetic wave is of transverse nature. Hence if electric field is along -axis, then magnetic field must be in -axis. Since propagation is -axis. Hence correct option is (d)

127 votes


127