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AP and TS EAMCET Medical 2020 Model Paper 1 with solutions for online practice
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© examsnet.com
Question : 91
Total: 160
When a block of mass m is hang individually by two springs the time period of oscillation are
T
1
and
T
2
. If the springs are joined in parallel and the same block is hungfrom the combination the new period of oscillation will be
√
T
1
2
+
T
2
2
1
T
1
2
+
1
T
2
2
T
1
T
2
√
T
1
2
+
T
2
2
√
T
1
2
+
T
2
2
T
1
T
2
Validate
Solution:
In Parallel
K
eff
=
K
1
+
K
2
but
K
∝
1
T
2
∴
1
T
eff
2
=
1
T
1
2
+
1
T
2
2
;
T
eff
=
T
1
T
2
√
T
1
2
+
T
2
2
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