1.

A boy performs an experiment in which he uses a simple pendulum to find the value of 'g' using the formula g=(4pi^(2)l)/(T^(2))= Where l = 1m. Error in measurements of length is Delta l, human error in time measurement is 0.15 sec and least count of stop watch Delta T, for what value of amplitude (A). Delta l and Delta T error in calculation of 'g' is maximum.

Answer»

`A=1.4, DELTA L = 0.5m, Delta T = 0.1 SEC`
`A=0.4, Delta l = 0.1 m, Delta T = 0.5 sec`
`A=0.5, Delta l =0.5m, Delta T = 0.2 sec`
`A=0.05, Delta l = 0.1 m, Delta T = 0.5 sec`

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