The electric field of an electromagnetic wave in free space is given by -
→ E = 10 cos (10⁷t kx) j V/m, where t and x are in seconds and meters respectively. It can be inferred that -
(a) The wavelength λ is 188.4 m
(b)The wave number k is 0.33 rad / m
(c)The wave amplitude is 10 V / m
(d) The wave is propagating along x direction Which one of the following pairs of statements is correct ?
A. (a) and (b)
B. (b ) and (c)
C. (a) and (c)
D. (c) and (d)