Q. No.
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In an experiment four quantities a, b, c and d are measured with percentage error 1%,2%,3% and 4% respectively. Quantity P is calculated as follows P=a3b2/cd %, Error in P is
1. 14%
2. 10%
3. 7%
4. 4%
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1. \(34\%\)
2. \(40\%\)
3. \(32\%\)
4. \(45\%\)
While measuring the acceleration due to gravity by a simple pendulum, a student makes a positive error of 1% in the length of the pendulum and a negative error of 3% in the value of time period. His percentage error in the measurement of g by the relation will be
1. 2%
2. 4%
3. 7%
4. 10%
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\(P=\dfrac{a^3b^2}{cd}\)
Percentage error in \(P\) is:
1. \(10\%\)
2. \(7\%\)
3. \(4\%\)
4. \(14\%\)
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1. \(1\%\)
2. \(2\%\)
3. \(6\%\)
4. \(8\%\)
1. \(1.2 \%\)
2. \(0.4 \%\)
3. \(0.8\%\)
4. \(1 \%\)
1. \(100\pm12~\Omega\)
2. \(100\pm10~\Omega\)
3. \(100\pm8~\Omega\)
4. \(100\pm4~\Omega\)
1. \(5\%\)
2. \(3\%\)
3. \(7\%\)
4. \(2\%\)
While measuring the acceleration due to gravity by a simple pendulum, a student makes a positive error of 1% in the length of the pendulum and a negative error of 3% in the value of time period. His percentage error in the measurement of g by the relation will be
(1) 2%
(2) 4%
(3) 7%
(4) 10%
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