SaraNextGen Study App [2023-24]
Last Updated On 16-03-2023 - By Jeesha Sara

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 :-

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
5876 Votes
3537

Answer Key : (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)



Next Question :

In Young’s double slit experiment, the separation between the slit is haled and the distance between the slits and screen is doubled.  The fringe-width will

a)

Be halved

b)

Be doubled

c)

Be quadrupled

d)

Remain unchanged


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