Question

a tuning fork is kept between two organ pipes A and B. Organ pipe A is closed at one end and is of length 18cm while organ pipe B is opened at both ends as shown in the figure if fourth overtone of pipe B and first overtone of pipe A are in resonance with the tuning fork the length of organ pipe B is​

Answer 1

Answer:

First overtone of closed organ pipe:

4

3λ

=L

1

f

1

=

λ

1

v

=

4L

1

3v

Third overtone of open organ pipe:

2

4λ

=L2

f2

= λ 2v

= L2

2v

Given f1

=f2

4L1

3v

= L2

2v

⇒ L2

L 1

= 8/3

Explanation:

#XMissheadacheX