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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS
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Assertion: The percentage change in time period is , if the length of simple pendulum increases by .
Reason: Time period is directly proportional to length of pendulum.
Reason: Time period is directly proportional to length of pendulum.
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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 reason is false; the time period is proportional to the square root of the length, not the length itself.
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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