49.
In space communication, the sound waves can be sent from one place to
another:
(a) through space
(b) through wires
(c) by superimposing it on undamped electro-magnetic waves
(d) None of these
co
Answer is -C
Answers
Answered by
1
Answer:
c option is correct
Explanation:
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Answered by
0
yes this is the write answer
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