KEAM 2021 Physics and Chemistry Solved Paper

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Question : 37 of 120

Marks: +1, -0

Pick out the INCORRECT statement from the following

Speech signal requires a bandwidth of 2800 Hz
The approximate bandwidth to transmit music is 20 kHz
The bandwidth of video signals required to transmit pictures is 4.2 MHz
The bandwidth usually allocated to transmit TV signals is 6 MHz
Digital signals are usually in the form of sine waves

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