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The values of a number of quantities are used in a mathematical formula and are having same power. The quantity that should be most precise and accurate in measurement is the one

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Important Questions on Units and Measurements

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 16
Thickness of a pencil measured by using a screw gauge (least count .001 cm ) comes out to be 0.802 cm. The percentage error in the measurement is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 17
The percentage error in the measurement of the voltage V is 3% and in the measurement of the current is 2%. The percentage error in the measurement of the resistance is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 18
The relative error in the measurement of the side of a cube is 0.027. The relative error in the measurement of its volume is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 19
Zero error of an instrument introduces
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 20
A packet contains silver powder of mass 20.23 g±0.01 g. Some of the powder of mass 5.75 g±0.01 g is taken out from it. The mass of the powder left back is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 21
The radius of a sphere is (2.6±0.1) cm. The percentage error in its volume is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 22
We can reduce random errors by
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 23
The volume of a cube having sides 1.2 m is appropriately expressed as