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CDS Model Paper 1 General Knowledge
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© examsnet.com
Question : 29
Total: 120
How does time period
(
T
)
of a seconds pendulum vary with length (l)?
T
µ
∝
√
ℓ
T
µ
∝
l
2
T
µ
∝
l
T does not depend on
l
Validate
Solution:
Here
g
and
2
π
are constant. Time period of a second pendulum is given by
T
=
2
π
√
(
ℓ
g
)
,
ℓ
being length
∴
T
∝
√
ℓ
.
© examsnet.com
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