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Unit 1 - Physics and Measurement
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Match Column-I with Column-II. [PMT/NEET-2022]
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If E and G respectively denote energy and gravitational constant, then E/G has the dimension of: [PMT/NEET-2021]
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Dimensions of stress are: [PMT/NEET-2020]
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If force (F), velocity (V) and time (T) are taken as fundamental units, the dimensions of mass are: [PMT/NEET-2014]
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Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and of current I, would be: [PMT/NEET-2007]
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The pair of quantities having same dimensions is: [PMT/NEET-2013]
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The dimensions of (μ₀ε₀)⁻¹ᐟ² are: [PMT/NEET-2011]
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The dimension of ½ε₀E², where ε₀ is permittivity of free space and E is electric field, is: [PMT/NEET-2010]
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If the dimensions of a physical quantity are given $M^{a}L^{b}T^{c}$, then the physical quantity will be: [PMT/NEET-2009]
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Which two of the following five physical parameters have the same dimensions? [PMT/NEET-2008]
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The velocity $v$ of a particle at time $t$ is given by $v = a t + \dfrac{b}{t + c}$, where $a, b$ and $c$ are constants. The dimensions of $a, b$ and $c$ are respectively: [PMT/NEET-2006]
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The ratio of the dimensions of Planck’s constant and that of moment of inertia is the dimensions of: [PMT/NEET-2005]
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Pressure gradient has the same dimension as that of: [PMT/NEET-2004]
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The dimensions of universal gravitational constant are: [PMT/NEET-2004]
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The dimensions of shear modulus are: [PMT/NEET-2004]
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The dimensional formula of relative density is: [PMT/NEET-2003]
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Dimension of R is: [PMT/NEET-2003]
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Which of the following pair does not have similar dimensions? [PMT/NEET-2001]
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A force $F$ is given by $F = a t + b t^{2}$, where $t$ is time. [PMT/NEET-2001]
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The dimensions of Planck’s constant equals to that of: [PMT/NEET-2001]
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Dimension of electric current is: [PMT/NEET-2000]
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Which pair do not have equal dimensions? [PMT/NEET-2000]
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Dimensions of CR are those of: [PMT/NEET-1999]
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Unit of surface tension is: [PMT/NEET-2004]
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Which does not have the same unit as others: [PMT/NEET-2004]
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The unit of reactance is: [PMT/NEET-2003]
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The unit of thermal conductivity is: [PMT/NEET-2019]
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The damping force on an oscillator is directly proportional to the velocity. The units of the constant of proportionality are: [PMT/NEET-2012]
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The unit of permittivity of free space, is: [PMT/NEET-2004]
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The dimensional formula of angular velocity is: [PMT/NEET-1996]
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The pair having the same dimensions is: [PMT/NEET-1996]
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If R and L represent respectively resistance and [PMT/NEET-1996]
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The dimensions of permittivity $ \varepsilon_{0} $ are: [PMT/NEET-1997]
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Dimensions of the following three quantities are the same: [PMT/NEET-1997]
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Dimensions of magnetic field intensity is: [PMT/NEET-1997]
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Two quantities A and B have different [PMT/NEET-1997]
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Out of the following, the only pair that does not [PMT/NEET-1998]
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Dimensional formula $ML^{2}T^{-3}$ represents: [PMT/NEET-1996]
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The dimensions of impulse are equal to that of: [PMT/NEET-1996]
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Which of the following dimensions will be the same as that of time? [PMT/NEET-1996]
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The dimensions of RC is: [PMT/NEET-1995]
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Dimensions of coefficient of viscosity are: [PMT/NEET-1993]
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Dimensional formula for volume elasticity is: [PMT/NEET-1991]
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Dimensions of kinetic energy are: [PMT/NEET-1991]
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Which of the following has the dimensions of pressure? [PMT/NEET-1990]
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Whose dimensions is M L² T⁻¹ ? [PMT/NEET-1989]
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Of the following quantities, which one has [PMT/NEET-1989]
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Dimensional formula of magnetic flux is: [PMT/NEET-1989]
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Which one has the dimensions different from [PMT/NEET-1988]
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Dimensions of frequency are: [PMT/NEET-1988]
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The area of a rectangular field (in m²) of length [PMT/NEET-2022]
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Taking into account of the significant figures, [PMT/NEET-2020]
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A screw gauge gives the following readings [PMT/NEET-2021]
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If the error in the measurement of radius of a [PMT/NEET-2008]
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The density of a cube is measured by measuring [PMT/NEET-1996]
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Percentage errors in the measurement of mass [PMT/NEET-1995]
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A certain body weighs 22.42 g and has a [PMT/NEET-1991]
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A student measures the distance traversed in free fall of a body, initially at rest, in a given time. He uses this data to estimate g [PMT/NEET-2010]
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In an experiment, four quantities $a,b,c$ and $d$ are measured with percentage errors $1\%$, $2\%$, $3\%$ and $4\%$ respectively. Quantity $P$ is calculated as[PMT/NEET-2013]
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A student measured the diameter of a small steel ball using a screw gauge of least count $0.001\ \text{cm}$. [PMT/NEET-2018]
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The main scale of a vernier calliper has $n$ divisions per cm. $n$ divisions of the vernier scale coincide with $(n-1)$ divisions of the main scale. [PMT/NEET-2019]
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In an experiment the percentage errors in the measurements of physical quantities A,B,C,D are 1 %$, 2 %, 3% and 4% respectively. [PMT/NEET-2019]
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A screw gauge has least count 0.01 mm and there are 50 divisions in its circular scale. The pitch of the screw gauge is: [PMT/NEET-2020]
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Kilowatt–hour is a unit of: [PMT/NEET-1991]
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Which of the following is not the unit of time? [PMT/NEET-1991]
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The equation $\left(P+\dfrac{a}{v^{2}}\right)(v-b)=\text{constant}$. The units of $a$ are: [PMT/NEET-1995]
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Which of the following is smallest unit? [PMT/NEET-1996]
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Unit of impulse is: [PMT/NEET-1997]
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The S.I. unit of gravitational potential is: [PMT/NEET-2000]
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Candela is the unit of: [PMT/NEET-2003]
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Unit of magnetic moment is: [PMT/NEET-1989]
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Joule–second is the unit of: [PMT/NEET-1990]
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Unit of Stefan’s constant is: [PMT/NEET-1989]
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Light year is a unit of: [PMT/NEET-1989]
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Dimensions of permeability are: [PMT/NEET-1991]
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The unit of potential energy is: [PMT/NEET-1991]
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Faraday is the unit of: [PMT/NEET-2003]
