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Byju's Answer
Standard VIII
Physics
Loudness
Two tunning f...
Question
Two tunning fork A and B produce 4 bits/s when vibrated together , tunning fork A is in resonance with a COP of length 16cm and B tunning fork is in resonance with an OOP of length 32.5 cm then find out frequency of both tunning fork
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Q.
In a resonance tube experiment, tuning fork A is in resonance with air column of length
40
cm
and tuning fork B is in resonance with air column of length
41
cm
.
Two tuning forks A and B sounded together produce
10
beats per second. Calculate the frequencies of forks.
(Assume fundamental mode for air column)
Q.
An air column in a tube
32
c
m
long, closed at one end, is in resonance with a tuning fork. The air column in another tube, open at both ends, of length
66
c
m
is in resonance with another tuning fork. When these two tuning forks are sounded together, they produce
8
beats per second. Then the frequencies of the two tuning forks are:
(Consider fundamental frequencies only)
Q.
In a closed tube when air column is 20 cm it is in resonance with tuning fork A. When the length is increased by 2 cm then the air column is in resonance with tuning fork B. When A and B are sounded together they produce 8 beats per second. The frequencies of the tuning forks A and B are (in Hz) :
Q.
In a resonance tube, the first resonance with a tuning fork occurs
16
c
m
and second at
49
c
m
. If the velocity of second is
330
m
/
s
, frequency of tuning fork is:
Q.
A sonometer wire 110 cm long produces a resonance with a tuning fork. When its length is decreased by 10 cm, 9 beats per second are heard. The frequency of tuning fork is __________.
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