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Percentage error in measuring the radius and mass of a solid sphere are 2% and 1% respectively. Then error in measurement of moment of inertia about to its diameter is

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Important Questions on Physical World and Measurement

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The heat generated in a circuit is dependent upon the resistance, current and time for which the current is flown. If the error in measuring the above are 1 %, 2 % and 1 %, respectively, then the maximum error in measuring the heat is

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The percentage errors in the measurement of mass and speed are 2 % and 3 %, respectively. How much will be the maximum error in the estimation of kinetic energy obtained by measuring mass and speed?
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While measuring 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 the time period. His percentage error in the measurement of the value of g will be
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The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate. If the maximum error in the measurement of force and length are respectively 4% and 2%, The maximum error in the measurement of pressure is
 
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The error in measuring the side of a cube is ± 1%. The error in the calculation of the volume of the cube will be about
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When a copper sphere is heated, maximum percentage change will be observed in:
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The resistance R of a wire is given by the relation R=ρlπr2. The percentage error in the measurement of ρ, l and r is 1%, 2% and 3% respectively. Then the percentage error in the measurement of R is