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Physics
Communication Systems Bandwidth Transmission Medium
Q
The range of radio frequencies for communication through free space is which of the following?
AA. Few hundreds of hz to a few khz
BB. Few hundreds of mhz to a few ghz
CC. Few hundreds of khz to a few ghz
DD. Few hundreds of hz to a few thousands khz
Correct Answer:
C. C. Few hundreds of khz to a few ghz
Explanation:
Communication through free space using radio waves takes place over a very wide range of frequencies, i.e. from a few hundreds of Hz to a few kHz. This range of frequencies is further subdivided and allocated for various services.