KVPY SA Exam 19-Nov-2017 Question Paper

Question : 18 of 80

Marks: +1, -0

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

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