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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS

1 Hard

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Analyzing +4 | -1

Given a charge

q,

current

I

and permeability of vacuum

\mu_0.

Which of the following quantity has the dimension of momentum?

View answer and explanation

Correct option: B

q \mu_0 I

Option B (

q \mu_0 I

) is correct because its dimensional formula matches that of momentum.

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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

\frac{1}{{\sqrt {{\varepsilon _0}{\mu _0}} }}