No Explaination.

No Explaination.

No Explaination.

The value of p(t) at t = 1/W is

In the following scheme, if the spectrum M(f) of m(t) is as shown, then the spectrum Y(f) of y(t) will be

Where H_{0} is a constant, and a and b are the dimensions along the x − axis and
the y − axis respectively. The mode of propagation in the waveguide is