Kilowatt-hour is a unit of —

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ANAND_YADAV Asked Jul 29, 2023

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A Watt is ---------

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If unit of length and time is doubled, the numerical value of ' $g$ ' (acceleration due to gravity) will become?

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A unit less quantity —

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The Young's modulus of a material of wire is 12.6 × 1011 dyne /cm2. Its value in MKS system is :

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$\int \frac{x d x}{\sqrt{2 a x-x^{2}}}=a^{n} \sin ^{-1}\left[\frac{x}{a}-1\right]$. The value of $n$ is —

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Obtain the dimension of the constant 'a' and 'b' involved in the Vander Waal's equation of state.

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A body of mass m kg is rotating in a vertical circle at the end of a string of length r metre.

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Thomas throws a silver coin in the sea. The density of the coin is 0.985 gm/m3. Will the coin float on the surface of water or it will sink?

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ALOK_RAJ Asked Aug 12, 2023

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In the equation $X=3 Y Z^{2}, X$ and $Z$ have dimension of capacitance and magnetic induction. What is the dimension of $Y$ in SI system.

ALOK_RAJ Asked Aug 12, 2023

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A dimensionless quantity —

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A long spring is stretched by 2 cm, it potential energy is U. If the spring is stretched by 10 cm, the potential energy stored in it will be —

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Two balls of different masses m_a and m_b are dropped from two different heights a and b.

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Force acting on a particle moving in a straight line varies with the velocity of the particle $\nu$ as $F \equiv \frac{K}{v}$.

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Is it correct to say that two quantities which are to be multiplied must have the same dimension.

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In the above question; how the numerical value is affected —

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Check dimensionally whether the equation $x=u t+\frac{1}{8} f t^{2}$ is incorrect.

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ANAND_YADAV Asked Jul 29, 2023

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Which of the following sets cannot enter into the list of fundamental quantities in any system of units

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ANAND_YADAV Asked Jul 29, 2023

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Which pair of following quantities has dimensions different from each other.

ANAND_YADAV Asked Jul 29, 2023

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ANAND_YADAV Asked Jul 29, 2023

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Which of the following set have different dimensions?

ANAND_YADAV Asked Jul 29, 2023

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Which of the following pairs of physical quantities have the different dimensions?

ANAND_YADAV Asked Jul 29, 2023

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ALOK_RAJ Asked Jul 25, 2023

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Calculate the dimension of $\alpha, \beta$ and $\gamma$ in the equation, $E =\alpha M +\beta M ^{-1} LT ^{-2}+\gamma MLT ^{-1}$ where $E$ represents energy.

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The sound from the surrounding entering into our ear are collected by pinna. The sound which enters into our ear is not of high amplitude. They are amplified inside our ear.

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Check whether the following equations are dimensionally correct

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