Question

The magnetic field in a plane electromagnetic wave is
given by,
B=3.01 x 10-7 sin (6.28 x 10^2x + 2.2 * 10^10) T.
[where x in m and t in second]
The wavelength of the given wave is
(1) 1 cm
(2) 628 cm
(3) 1.129 cm
(4) 314 cm​

Answer 1

Answer:

I think so it May be 1.129cm......