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Standard XII
Physics
Damped Oscillations
A vertical U-...
Question
A vertical U-tube of uniform cross section contains water up to a height to 20cm. Calculate the time period of the oscillation of water when it is disturbed.
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Solution
The length of liquid column
L
=
2
×
20
c
m
=
40
c
m
Time period of oscillation
T
=
2
π
√
L
2
g
=
2
π
√
40
2
×
9.80
=
0.9
s
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