ACCURACY,PRECISION,TYPESOF ERRORSAND COM BINATION OF ERRORS
Units and Measurements

269164 If the length and breadth of a plate are\((5.0 \pm 0.2) \mathrm{cm}\) and \((4.0 \pm 0.1) \mathrm{cm}\) then the absolute error in measurement of area is

1 \(10 \mathrm{~cm}^{2}\)
2 \(11 \mathrm{~cm}^{2}\)
3 \(12 \mathrm{~cm}^{2}\)
4 \(1.3 \mathrm{~cm}^{2}\)
Units and Measurements

269165 If the length of a cylinder is measured to be\(8.28 \mathrm{~cm}\) with an error of \(0.01 \mathrm{~cm}\) then the percentageerror in measured length isnearly

1 \(0.4 \%\)
2 \(0.2 \%\)
3 \(0.1 \%\)
4 \(0.5 \%\)
Units and Measurements

269166 A student performs experiment with simple pendulum and measures time for 10 vibrations. If he measures the time for 100 vibrations, the error in measurement oftime period will be reduced by a factor of

1 10
2 90
3 100
4 1000
Units and Measurements

269167 If \(L_{1}=(3.03 \pm 0.02) m\) and \(L_{2}=(2.01 \pm 0.02) \mathrm{m}\) then \(L_{1}+2 L_{2}\) is (in m)

1 \(7.05 \pm 0.06\)
2 \(6.05 \pm 0.06\)
3 \(6.05 \pm 0.02\)
4 \(7.05 \pm 0.02\)
Units and Measurements

269168 A body travels uniformly a distance of\((13.8 \pm 0.2) m\) in a time \((4.0 \pm 0.3) s\) then the velocity of the body is

1 \((3.45 \pm 0.2) \mathrm{ms}^{-1}\)
2 \((3.45 \pm 0.3) \mathrm{ms}^{-1}\)
3 \((3.45 \pm 0.4) \mathrm{ms}^{-1}\)
4 \((3.45 \pm 0.5) \mathrm{ms}^{-1}\)
Units and Measurements

269164 If the length and breadth of a plate are\((5.0 \pm 0.2) \mathrm{cm}\) and \((4.0 \pm 0.1) \mathrm{cm}\) then the absolute error in measurement of area is

1 \(10 \mathrm{~cm}^{2}\)
2 \(11 \mathrm{~cm}^{2}\)
3 \(12 \mathrm{~cm}^{2}\)
4 \(1.3 \mathrm{~cm}^{2}\)
Units and Measurements

269165 If the length of a cylinder is measured to be\(8.28 \mathrm{~cm}\) with an error of \(0.01 \mathrm{~cm}\) then the percentageerror in measured length isnearly

1 \(0.4 \%\)
2 \(0.2 \%\)
3 \(0.1 \%\)
4 \(0.5 \%\)
Units and Measurements

269166 A student performs experiment with simple pendulum and measures time for 10 vibrations. If he measures the time for 100 vibrations, the error in measurement oftime period will be reduced by a factor of

1 10
2 90
3 100
4 1000
Units and Measurements

269167 If \(L_{1}=(3.03 \pm 0.02) m\) and \(L_{2}=(2.01 \pm 0.02) \mathrm{m}\) then \(L_{1}+2 L_{2}\) is (in m)

1 \(7.05 \pm 0.06\)
2 \(6.05 \pm 0.06\)
3 \(6.05 \pm 0.02\)
4 \(7.05 \pm 0.02\)
Units and Measurements

269168 A body travels uniformly a distance of\((13.8 \pm 0.2) m\) in a time \((4.0 \pm 0.3) s\) then the velocity of the body is

1 \((3.45 \pm 0.2) \mathrm{ms}^{-1}\)
2 \((3.45 \pm 0.3) \mathrm{ms}^{-1}\)
3 \((3.45 \pm 0.4) \mathrm{ms}^{-1}\)
4 \((3.45 \pm 0.5) \mathrm{ms}^{-1}\)
Units and Measurements

269164 If the length and breadth of a plate are\((5.0 \pm 0.2) \mathrm{cm}\) and \((4.0 \pm 0.1) \mathrm{cm}\) then the absolute error in measurement of area is

1 \(10 \mathrm{~cm}^{2}\)
2 \(11 \mathrm{~cm}^{2}\)
3 \(12 \mathrm{~cm}^{2}\)
4 \(1.3 \mathrm{~cm}^{2}\)
Units and Measurements

269165 If the length of a cylinder is measured to be\(8.28 \mathrm{~cm}\) with an error of \(0.01 \mathrm{~cm}\) then the percentageerror in measured length isnearly

1 \(0.4 \%\)
2 \(0.2 \%\)
3 \(0.1 \%\)
4 \(0.5 \%\)
Units and Measurements

269166 A student performs experiment with simple pendulum and measures time for 10 vibrations. If he measures the time for 100 vibrations, the error in measurement oftime period will be reduced by a factor of

1 10
2 90
3 100
4 1000
Units and Measurements

269167 If \(L_{1}=(3.03 \pm 0.02) m\) and \(L_{2}=(2.01 \pm 0.02) \mathrm{m}\) then \(L_{1}+2 L_{2}\) is (in m)

1 \(7.05 \pm 0.06\)
2 \(6.05 \pm 0.06\)
3 \(6.05 \pm 0.02\)
4 \(7.05 \pm 0.02\)
Units and Measurements

269168 A body travels uniformly a distance of\((13.8 \pm 0.2) m\) in a time \((4.0 \pm 0.3) s\) then the velocity of the body is

1 \((3.45 \pm 0.2) \mathrm{ms}^{-1}\)
2 \((3.45 \pm 0.3) \mathrm{ms}^{-1}\)
3 \((3.45 \pm 0.4) \mathrm{ms}^{-1}\)
4 \((3.45 \pm 0.5) \mathrm{ms}^{-1}\)
Units and Measurements

269164 If the length and breadth of a plate are\((5.0 \pm 0.2) \mathrm{cm}\) and \((4.0 \pm 0.1) \mathrm{cm}\) then the absolute error in measurement of area is

1 \(10 \mathrm{~cm}^{2}\)
2 \(11 \mathrm{~cm}^{2}\)
3 \(12 \mathrm{~cm}^{2}\)
4 \(1.3 \mathrm{~cm}^{2}\)
Units and Measurements

269165 If the length of a cylinder is measured to be\(8.28 \mathrm{~cm}\) with an error of \(0.01 \mathrm{~cm}\) then the percentageerror in measured length isnearly

1 \(0.4 \%\)
2 \(0.2 \%\)
3 \(0.1 \%\)
4 \(0.5 \%\)
Units and Measurements

269166 A student performs experiment with simple pendulum and measures time for 10 vibrations. If he measures the time for 100 vibrations, the error in measurement oftime period will be reduced by a factor of

1 10
2 90
3 100
4 1000
Units and Measurements

269167 If \(L_{1}=(3.03 \pm 0.02) m\) and \(L_{2}=(2.01 \pm 0.02) \mathrm{m}\) then \(L_{1}+2 L_{2}\) is (in m)

1 \(7.05 \pm 0.06\)
2 \(6.05 \pm 0.06\)
3 \(6.05 \pm 0.02\)
4 \(7.05 \pm 0.02\)
Units and Measurements

269168 A body travels uniformly a distance of\((13.8 \pm 0.2) m\) in a time \((4.0 \pm 0.3) s\) then the velocity of the body is

1 \((3.45 \pm 0.2) \mathrm{ms}^{-1}\)
2 \((3.45 \pm 0.3) \mathrm{ms}^{-1}\)
3 \((3.45 \pm 0.4) \mathrm{ms}^{-1}\)
4 \((3.45 \pm 0.5) \mathrm{ms}^{-1}\)
Units and Measurements

269164 If the length and breadth of a plate are\((5.0 \pm 0.2) \mathrm{cm}\) and \((4.0 \pm 0.1) \mathrm{cm}\) then the absolute error in measurement of area is

1 \(10 \mathrm{~cm}^{2}\)
2 \(11 \mathrm{~cm}^{2}\)
3 \(12 \mathrm{~cm}^{2}\)
4 \(1.3 \mathrm{~cm}^{2}\)
Units and Measurements

269165 If the length of a cylinder is measured to be\(8.28 \mathrm{~cm}\) with an error of \(0.01 \mathrm{~cm}\) then the percentageerror in measured length isnearly

1 \(0.4 \%\)
2 \(0.2 \%\)
3 \(0.1 \%\)
4 \(0.5 \%\)
Units and Measurements

269166 A student performs experiment with simple pendulum and measures time for 10 vibrations. If he measures the time for 100 vibrations, the error in measurement oftime period will be reduced by a factor of

1 10
2 90
3 100
4 1000
Units and Measurements

269167 If \(L_{1}=(3.03 \pm 0.02) m\) and \(L_{2}=(2.01 \pm 0.02) \mathrm{m}\) then \(L_{1}+2 L_{2}\) is (in m)

1 \(7.05 \pm 0.06\)
2 \(6.05 \pm 0.06\)
3 \(6.05 \pm 0.02\)
4 \(7.05 \pm 0.02\)
Units and Measurements

269168 A body travels uniformly a distance of\((13.8 \pm 0.2) m\) in a time \((4.0 \pm 0.3) s\) then the velocity of the body is

1 \((3.45 \pm 0.2) \mathrm{ms}^{-1}\)
2 \((3.45 \pm 0.3) \mathrm{ms}^{-1}\)
3 \((3.45 \pm 0.4) \mathrm{ms}^{-1}\)
4 \((3.45 \pm 0.5) \mathrm{ms}^{-1}\)