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KVPY SA Exam 19-Nov-2017 Question Paper
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© examsnet.com
Question : 18
Total: 80
In an experiment on simple pendulum to determine the acceleration due to gravity, a student measures the elngth of the thread as 632 cm and diameter of the pendulum bob as 2.256 cm. The student should take the lenght of the pendulum to be
64.328 cm
64.36 cm
65.456
65.5 cm
Validate
Solution:
length should be taken up to com
l
net
=
63.2
+
2.256
2
⇒ 64.328
by signlicont figures
l
net
⇒
64.
3 cm
© examsnet.com
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