Fri March 30, 2012 By: Uma Sridharan

A student uses a simple pendulum of exactly 1m length to determine g,the acceleration due to gravity.He uses a stop watch with the least count of 1s for this and records 40s for 20 oscillations.For this observation,which of the following statement(s) is(are) true? (A)Error dT in measuring Tis 0.05s (B)Error dT in measuring T is 1s. (C)Percentage error in determination of g is 5% (D)Percentage error in the determination of g is 2.5%

Expert Reply
Tue April 03, 2012
Options A and C are correct.
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