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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS
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Medium
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Understanding
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In a metre bridge experiment, we try to obtain the null point at the middle. This:
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Correct option: A
Reduces systematic error as well as random error
Option B (Reduces systematic error but not the random error) is correct because obtaining the null point at the middle of a meter bridge primarily reduces systematic errors due to end corrections.
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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