1.

Time taken by a body in (20 +-0.2) second in undergoing a displacement of (200 +-5)m. Calculate the percentage error in calculation of velcoity.

Answer»

Solution :Percentage error in measurement of displacement = `(5)/(200)xx100`
Percentage error in measurement of time = `(0.2)/(20)xx100`
`THEREFORE` MAXIMUM PERMISSIBLE error = `2.5 + 1 = 3.5%`


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