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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS
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Statement I: The order of accuracy of measurement depends on the least count of the measuring instrument.
Statement II: The smaller the least count, the greater is the number of significant figures in the measured value.
Statement II: The smaller the least count, the greater is the number of significant figures in the measured value.
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Correct option: B
Statement I is true, Statement II is true; Statement II is not the correct explanation for Statement I
Option B (Statement I is true, Statement II is true; Statement II is not the correct explanation for Statement I) is correct because both statements are true, but the least count doesn't directly explain the order of accuracy.
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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