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Bernoulli’s equation is given by p+12ρv2+hρg=k
Where p= pressure, ρ= density, v= speed, h= height of the liquid column, g= acceleration due to gravity and k is constant. The dimensional formula for k is same as that for :

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Important Questions on Physical World and Measurement

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The period of oscillation of a simple pendulum in the experiment is recorded as 2.63 s2.56 s2.42 s2.71 s and 2.80 s, respectively. The average absolute error is
MEDIUM
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The length, breadth and thickness of a strip are (10.0±0.1) cm(1.00±0.01) cm and (0.100±0.001) cm, respectively, then the most probable error in its volume will be
EASY
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The length of a cylinder is measured with a meter rod having least count 0.1 cm. Its diameter is measured with vernier calipers having least count 0.01 cm. If the length and diameter of the cylinder are 5.0 cm and 2.0 cm, respectively, then the percentage error in the calculated value of volume will be
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If energy E, velocity V and time T were chosen as fundamental physical quantities for measurement, then the dimensional formula for mass will be :-
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Which of the following represents the dimensions of capacitance ?
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The dimensional formula for magnetic flux is (C represents coulomb)
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Which of the following does not have the same unit as others ?
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Suppose the refractive index 'μ' is given as :μ=A+Bλ2, where A and B are constants and λ is wavelength, then dimensions of B are same as that of :