A unit less quantity —

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ANAND_YADAV Asked Jul 29, 2023

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A dimensionless 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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Kilowatt-hour is a unit of —

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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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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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ANAND_YADAV Asked Jul 29, 2023

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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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ANAND_YADAV Asked Jul 29, 2023

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

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If in the equation $y=a \sin (\omega t-K x)$, y and x stands for distance and t for time respectively, then find the dimension of $a, \omega$, and $K$.

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Chandan Asked Oct 15, 2023

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A gas bubble from an explosion under water oscillates with a time period T which is proportional to $P ^{a} \rho^{b} E ^{c}$ where $P$ is the pressure

Chandan Asked Oct 15, 2023

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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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Ankit Asked Oct 2, 2023

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The speed of a particle as a function of time is represented by V=A$_1$ cosA$_2$t. What are the dimension and S. I. units of constant A$_1$ and A$_2$?

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Ankit Asked Oct 2, 2023

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The displacement of a particle is represented by y= A t+ Bt$^2$+ Ct$^3$, then what are the dimensions of A, B and C.

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Chandan Asked Sep 15, 2023

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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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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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Chandan Asked Aug 4, 2023

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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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ALOK_RAJ Asked Aug 3, 2023

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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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Aayush Asked Feb 7

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

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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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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.

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ANAND_YADAV Asked Jul 29, 2023

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If we use permittivity $\varepsilon$, resistance $R$, gravitational constant $G$ and voltage $V$ as fundamental physical quantities, then :

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AnjaliYadav Asked Nov 5, 2022

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ALOK_RAJ Asked Jul 25, 2023

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Dimensionless Quantity

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Acetic acid has $K _{ a }=1.8 \times 10^{-5}$ while formic acid has $K _{ a }=2.1 \times 10^{-4}$.

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We have taken a saturated solution of $AgBr$. $K _{ sp }$ of $AgBr$ is $12 \times 10^{-14}$.

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The solubility of $\left[ Co \left( NH _{3}\right)_{4} Cl _{2}\right] ClO _{4}$ ____________, if the $\lambda_{ Co \left( NH _{3}\right)_{4} Cl _{2}^{+}}=50, \lambda_{ ClO _{4}{ }^{-}}=70$ and the measured resistance was $33.5 \Omega$ in a cell with cell constant of $0.20$ is ____________

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When chlorine water is added to an aqueous solution of potassium halide in presence of chloroform, a violet colour is obtained.

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A resistance of $50 \Omega$ is registered when two electrodes are suspended into a beaker containing a dilute solution of a strong electrolyte such that exactly half of the them are submerged into solution.

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In the term $\left(P+a n^{2} N^{2}\right)$ proposed by Vander Waal

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