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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS
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The velocity v of water waves may depend on their wavelength (), the density of water () and the acceleration due to gravity (g). The method of dimensions gives the relation between these quantities as
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Correct option: B
Option B () is correct because it correctly relates the velocity of water waves to gravity and wavelength using dimensional analysis.
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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