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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS
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Assertion The error in the measurement of radius of the sphere is . The permissible error in its surface area is .
Reason The permissible error is calculated by the formula
Reason The permissible error is calculated by the formula
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Correct option: C
If Assertion is true, but Reason is false.
Option C (If Assertion is true, but Reason is false) is correct because the assertion is true, but the correct formula is .
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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