An EM wave propagating in x-direction has a wavelength of 8 mm. The electric field vibrating y-direction has maximum magnitude of 60 Vm –1 . Choose the correct equations for electric and magnetic field if the EM wave is propagating in vacuum:

1 8 3 y Vm j ˆ ) t 10 3 x ( 10 4 sin 60 E − ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ × − × π = T k ˆ ) t 10 3 x ( 10 4 sin 2 B 8 3 z ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ × − × π =
1 8 3 y Vm j ˆ ) t 10 3 x ( 10 4 sin 60 E − ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ × − × π = T k ˆ ) t 10 3 x ( 10 4 sin 10 2 B 8 3 7 z ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ × − × π × = −
1 8 3 7 y Vm j ˆ ) t 10 3 x ( 10 4 sin 10 2 E − − ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ × − × π × = T k ˆ ) t 10 3 x ( 10 4 sin 60 B 8 3 z ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ × − × π =
1 8 4 7 y Vm j ˆ ) t 10 4 x ( 10 4 sin 10 2 E − − ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ × − × π × = T k ˆ ) t 10 4 x ( 10 4 sin 60 B 8 4 z ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ × − × π = CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 080-47250011 www.careerpoint.ac.in 7 JEE Main Online Paper

Correct answer: 1 8 3 y Vm j ˆ ) t 10 3 x ( 10 4 sin 60 E − ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ × − × π = T k ˆ ) t 10 3 x ( 10 4 sin 10 2 B 8 3 7 z ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ × − × π × = −

An EM wave propagating in x-direction has a wavelength of 8 mm. The electric field vibrating y-direction has maximum magnitude of 60 Vm –1 . Choose the correct equations for electric and magnetic field if the EM wave is propagating in vacuum:

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