In four regions I, II, III and IV, the magnetic field is ...

CBSE Class 12 Physics 2024 All Sets Solved Paper

Question : 6 of 14

Marks: +1, -0

In four regions I, II, III and IV, the magnetic field is given by:
I.

B_y= B_0 \sin kz

II.

B_y= B_0 \cos kz

III.

B_y= B_0 \sin (kz - ω t)

IV.

B_y= B_0 \sin kz + B_0 \cos kz

The electromagnetic wave will exist in the region:

Solution:

E =E_0 \sin(kx - ω t)

B =B_0 \sin(kz - ω t)

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