Questions
Percentage errors in the measurement of mass and speed are 2% and 3% respectively. The error in the estimate of Kinetic Energy obtained by measuring mass and speed will be
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Correct option is A
Percentage error in mass = 2% = 2100and percentage error in speed = 3 % =3100K.E.=12mv2thus percentage error in KE = 2+ 3×2=8Similar Questions
A physical quantity A is related to four observable a, b, c and d as . The percentage errors of measurement in a, b, c and d are 1 %, 3 %, 2 % and 2 % respectively. What is the percentage error in the quantity A ?
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