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Byju's Answer
Standard XII
Physics
Reflection of Sound Waves
Which of the ...
Question
Which of the following laws of strings is not correct?
A
n
∝
1
√
m
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B
n
∝
l
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C
n
∝
√
T
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D
n
∝
1
l
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Solution
The correct option is
B
n
∝
l
According to law of strings, the fundamental frequency,
n
=
1
2
l
√
T
m
Thus,
n
∝
l
is not correct.
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