List of top Physics Questions on communication systems asked in JKCET

A $ 1000\, kHz $ carrier wave is modulated by an audio signal of frequency range $ 600-6000 \,Hz $ . What is the bandwidth of the channel?

What modulation index and side bands are produced when a message of frequency $ 10 \,kHz $ and peak voltage of $ 10 $ volts is used to modulate a carrier frequency of $ 1 \,MHz $ and peak voltage of 20 volts ?

Which of the following is the indirect way of generating $ FM $ ?

Amplitude modulation is the process of

Which of the following is incorrect about sky waves?

In a video signal for transmission of picture, what value of bandwidth is used in communication system?

The waves used for line-of-sight $(LOS)$ communication is

In television transmission what type of modulation is used ?

What fraction of the surface area of earth can be covered to establish communication by one geostationary statellite?

A TV tower has a height 150 m. What is the total population covered by the TV tower, if the population density around the TV tower is $10^3\, km^{-2}?$ Radius of the earth is $6.4\times10^{6}m$