Multiplication & Division of Errors
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Q. A physical quantity P is related to four observables a, b, c and d as follows : P = a³ b ²/ (√c d) The percentage errors of measurement in a, b, c and d are 1%, 3%, 4% and 2%, respectively. What is the percentage error in the quantity P ? If the value of P calculated using the above relation turns out to be 3.763, to what value should you round off the result ?
Q.
The fractional change in the value of free-fall acceleration g for a particle when it is lifted from the surface to an elevation h (h<<R) is
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