1.

The electric field in an electro-magnetic wave (in vacuum) is described by E = Emax sin(Kx - ωt)WhereEmax = 100 N/C and K = 1 × 107 m-1, speed of light is 3 × 108 m/s.What is the amplitude of the corresponding magnetic wave?

A. 4.57 × 10-7 T
B. 2.99 × 10-7 T
C. 3.33 × 10-7 T
D. 2.99 × 107 T
Answer» D. 2.99 × 107 T


Discussion

No Comment Found