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

269255 Thereare atomic (Cesium) clocks capable of measuringtime with an accuracy of 1 part in \(10^{11}\). If two such clocks are operated to precision, then after running for 5000 years, these will record a difference of

1 1 day
2 \(1 \mathrm{~s}\)
3 \(10^{11} \mathrm{~s}\)
4 1year
Units and Measurements

269256 If the length of a simple pendulum is
recorded as \((90.0 \pm 0.02) \mathrm{cm}\) and period as
\((1.9 \pm 0.02) s\), the percentage of error in the measurement of acceleration dueto gravity is

1 4.2
2 2.1
3 1.5
4 2.8
Units and Measurements

269257 In the determination of theYoung's modulus of a given wire, the force, length, radius and extension in the wire are measured as
\((100 \pm 0.01) \mathrm{N},(1.25 \pm 0.002) \mathrm{m}\),
\((0.001 \pm 0.00002) m\), and \((0.01 \pm 0.00002) m\), respectively. The percentage error in the measurement of Young's modulus is

1 4.37
2 2.37
3 0.77
4 2.77
Units and Measurements

269258 The radius \((r)\), length (/) and resistance
\((x)\) of a thin wire are
\((0.2 \pm 0.02) \mathrm{cm},(80 \pm 0.1) \mathrm{cm}\), and \((30 \pm 1) \Omega\) respectively. The percentage error in the specific resistance is

1 \(23.4 \%\)
2 \(25.4 \%\)
3 \(26 \%\)
4 \(27.5 \%\)
Units and Measurements

269255 Thereare atomic (Cesium) clocks capable of measuringtime with an accuracy of 1 part in \(10^{11}\). If two such clocks are operated to precision, then after running for 5000 years, these will record a difference of

1 1 day
2 \(1 \mathrm{~s}\)
3 \(10^{11} \mathrm{~s}\)
4 1year
Units and Measurements

269256 If the length of a simple pendulum is
recorded as \((90.0 \pm 0.02) \mathrm{cm}\) and period as
\((1.9 \pm 0.02) s\), the percentage of error in the measurement of acceleration dueto gravity is

1 4.2
2 2.1
3 1.5
4 2.8
Units and Measurements

269257 In the determination of theYoung's modulus of a given wire, the force, length, radius and extension in the wire are measured as
\((100 \pm 0.01) \mathrm{N},(1.25 \pm 0.002) \mathrm{m}\),
\((0.001 \pm 0.00002) m\), and \((0.01 \pm 0.00002) m\), respectively. The percentage error in the measurement of Young's modulus is

1 4.37
2 2.37
3 0.77
4 2.77
Units and Measurements

269258 The radius \((r)\), length (/) and resistance
\((x)\) of a thin wire are
\((0.2 \pm 0.02) \mathrm{cm},(80 \pm 0.1) \mathrm{cm}\), and \((30 \pm 1) \Omega\) respectively. The percentage error in the specific resistance is

1 \(23.4 \%\)
2 \(25.4 \%\)
3 \(26 \%\)
4 \(27.5 \%\)
Units and Measurements

269255 Thereare atomic (Cesium) clocks capable of measuringtime with an accuracy of 1 part in \(10^{11}\). If two such clocks are operated to precision, then after running for 5000 years, these will record a difference of

1 1 day
2 \(1 \mathrm{~s}\)
3 \(10^{11} \mathrm{~s}\)
4 1year
Units and Measurements

269256 If the length of a simple pendulum is
recorded as \((90.0 \pm 0.02) \mathrm{cm}\) and period as
\((1.9 \pm 0.02) s\), the percentage of error in the measurement of acceleration dueto gravity is

1 4.2
2 2.1
3 1.5
4 2.8
Units and Measurements

269257 In the determination of theYoung's modulus of a given wire, the force, length, radius and extension in the wire are measured as
\((100 \pm 0.01) \mathrm{N},(1.25 \pm 0.002) \mathrm{m}\),
\((0.001 \pm 0.00002) m\), and \((0.01 \pm 0.00002) m\), respectively. The percentage error in the measurement of Young's modulus is

1 4.37
2 2.37
3 0.77
4 2.77
Units and Measurements

269258 The radius \((r)\), length (/) and resistance
\((x)\) of a thin wire are
\((0.2 \pm 0.02) \mathrm{cm},(80 \pm 0.1) \mathrm{cm}\), and \((30 \pm 1) \Omega\) respectively. The percentage error in the specific resistance is

1 \(23.4 \%\)
2 \(25.4 \%\)
3 \(26 \%\)
4 \(27.5 \%\)
Units and Measurements

269255 Thereare atomic (Cesium) clocks capable of measuringtime with an accuracy of 1 part in \(10^{11}\). If two such clocks are operated to precision, then after running for 5000 years, these will record a difference of

1 1 day
2 \(1 \mathrm{~s}\)
3 \(10^{11} \mathrm{~s}\)
4 1year
Units and Measurements

269256 If the length of a simple pendulum is
recorded as \((90.0 \pm 0.02) \mathrm{cm}\) and period as
\((1.9 \pm 0.02) s\), the percentage of error in the measurement of acceleration dueto gravity is

1 4.2
2 2.1
3 1.5
4 2.8
Units and Measurements

269257 In the determination of theYoung's modulus of a given wire, the force, length, radius and extension in the wire are measured as
\((100 \pm 0.01) \mathrm{N},(1.25 \pm 0.002) \mathrm{m}\),
\((0.001 \pm 0.00002) m\), and \((0.01 \pm 0.00002) m\), respectively. The percentage error in the measurement of Young's modulus is

1 4.37
2 2.37
3 0.77
4 2.77
Units and Measurements

269258 The radius \((r)\), length (/) and resistance
\((x)\) of a thin wire are
\((0.2 \pm 0.02) \mathrm{cm},(80 \pm 0.1) \mathrm{cm}\), and \((30 \pm 1) \Omega\) respectively. The percentage error in the specific resistance is

1 \(23.4 \%\)
2 \(25.4 \%\)
3 \(26 \%\)
4 \(27.5 \%\)