Bandwidth of Transmission Medium

What is meant by the bandwidth of a transmission medium? What is its importance?

The range of frequencies offered by free space communication is approximately equal to:

The transmission medium with the highest bandwidth is:

The bandwidth of Coaxial cables is more than the bandwidth of communication through free space.

Why more number of channels are possible in optical communication as compared to communication using radio waves?

Explain bandwidth of transmission media.

What should be the transmission bandwidth of an FM signal with 75 kHz deviation and highest frequency of modulation 15 kHz?

The transmission media can be

Which one of the following is a full duplex transmission system?

The velocity factor of a transmission line is related to dielectric constant $K$ of the medium is

The number of telephonic messages which are carried by a fiber at an instant with much less intensity loss are

In optical communication system operating at 1200 nm, only 2% of the source frequency is available for TV transmission having a bandwidth of 5 MHz. The number of TV channels that can be transmitted is

In optical communication system operating at $1200 \mathrm{nm}$, only $2\%$ of the source frequency is available for TV transmission having a bandwidth of $5 \mathrm{MHz}$. The number of TV channels that can be transmitted is