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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS
1
Medium
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Analyzing
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A quantity is related to another quantity by the equation where and are constant. If percentage error in the measurement of is , then error in depends upon
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Correct option: D
p, k and a all
Option C (p and a) is correct because the percentage error in y depends on the percentage error in x (p) and the exponent a, as derived from error propagation.
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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