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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS
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A physical quantity is determined by measuring a, b, c, d, e separately with the percentage error of respectively. Minimum amount of error is contributed by the measurement of :
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Correct option: C
a, e
Option C (a, e) is correct because the percentage errors of a and e contribute the least to the overall error in the calculated quantity T.
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Statement-I: Random errors can be positive or negative.
Statement-II: Cause of random errors are uncertain. An object is moving through the liquid. The viscous damping force acting on it is proportional to the velocity. Then dimension of constant of proportionality is The error due to parallax is a: 2.34 is obtained by rounding of the number The dimensional formula of self-inductance is The dimension of is that of
Statement-II: Cause of random errors are uncertain. An object is moving through the liquid. The viscous damping force acting on it is proportional to the velocity. Then dimension of constant of proportionality is The error due to parallax is a: 2.34 is obtained by rounding of the number The dimensional formula of self-inductance is The dimension of is that of