The maximum distance up to which $TV$ transmission from a $TV$ tower of height $h$ can be received is proportional to

In which frequency range are space waves normally propagated?

Digital signal

$A$ message signal of frequency $10 kHz$ is used to modulate a carrier wave of frequency $6 MHz$. The sideband frequencies are:

Choose the correct statement.

In an $AM$ wave,the frequencies of $LSB$ and $USB$ are $2.99 \ MHz$ and $3.01 \ MHz$ respectively. The carrier frequency is ....... and the modulating frequency is .......