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Class 11 NEET Physics Waves Questions Questions
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Question : 14
Total: 91
The second overtone of an open organ pipe has the same frequency as the first overtone of a closed pipe L meter long. The length of the open pipe will be
[NEET 2016 P2]
4L
L
2L
L
2
Validate
Solution:
3
λ
2
=
l
0
λ
=
3
l
0
3
f
=
3
V
2
l
0
3
λ
4
=
L
c
λ
=
4
L
e
3
λ
=
4
L
e
3
f
=
3
V
4
L
e
=
3
V
4
L
=
3
V
2
l
0
l
0
=
2
L
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