please give me right answer of my questions
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Answered by
0
Answer:
the answer is malathion..
Answered by
0
Answer:
Frequency of oscillation of string in n
th
harmonic is
2l
nc
.
where c is the speed of the wave in the string.
Since the string vibrates in 4 segments, n=4
400=
2l
4c
⟹
2l
c
=100
Fundamental frequency f
1
=
2l
1×c
=100Hz
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