Percentage error in measuring the r...
Question

# Percentage error in measuring the radius and mass of a solid sphere are 2% & 1% respectively. Then error in measurement of moment of inertia about to its diameter is :- (1) 3 % (2) 6 % (3) 5 % (4) 4 %

NEET/Medical Exams
Physics
Solution
223
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( begin{aligned} I & alpha m R^{2} frac{Delta I}{I} &=frac{Delta m}{m} pm frac{2 D R}{R} &=1 pm 2(2) &=5 cdot 100 end{aligned} )