Q$-2$ The vec$(E)(z,t)$ field of and its graph is given in the figure.

vec$(E)(z,t)=E_{0}cos(\frac{2}{}(z-ct))hat()$

For this electromagnetic wave, c is known:

a$)$ What is the direction of Electric field of this Electromagnetic Wave.

b$)$ What is the direction of Magnetic field of this Electromagnetic Wave.

c$)$ What is the direction of propagation vector of this Electromagnetic Wave.

d$)$ What is the meaning of symbol $.$

e$)$ Show period of this electromagnetic Wave in time scale.

f$)$ What is relation between $,$ c $,$ an period $($ T $).$

g$)$ What is relation between $,c,$ an frequency$($f$).$

h$)$ Show $k,$ fort he given equation by using c and $.$