The magnetic field of an electromagnetic wave in a vacuum is B_ z = ( 4.0mu T )sin( 1.0×107 x - 2 pi f t) , where x is in m and t is in s.
a) What is the wave's wavelength?
(in m)
b) what is the wave's frequency?
(in Hz)
c) what is the wave's electric field amplitude?
(in V/m)