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Byju's Answer
Standard XII
Physics
Matter Waves
State whether...
Question
State whether given statement is true or false :
The type of communication system needed for a given signal
depends on the band of frequencies.
A
True
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B
False
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Solution
The correct option is
A
True
Different types of communication system needed for different band frequencies.For eg
1. The frequency range of speech signal is
300
H
z
to
3100
H
z
.
2. Speech signal requires a bandwidth of
2800
H
z
.
3. To transmit music
20
K
H
z
bandwidth is required approximately because the high frequencies produced by the musical instruments.
4. The audible range of frequency extends from
20
H
z
to
20
K
H
z
so, we can say that the type of communication system for a given signal depends on the band of frequencies.
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