From the following combinations of physical constants (expressed through their usual symbols) the only combination, that would have the same value in different systems of units, is
From the following combinations of physical constants (expressed through their usual symbols) the only combination, that would have the same value in different systems of units, is
- [JEE MAIN 2014]
- A
$\frac{{ch}}{{2\pi \varepsilon _0^2}}$
- B
$\frac{{{e^2}}}{{2\pi {\varepsilon _0}Gm_e^2}}$
- C
$\frac{{{\mu _0}{\varepsilon _0}G}}{{{c^2}h{e^2}}}$
- D
$\frac{{2\pi \sqrt {{\mu _0}{\varepsilon _0}} h}}{{c{e^2}G}}$
Similar Questions
If dimensions of critical velocity $v_c$ of a liquid flowing through a tube are expressed as$ [\eta ^x \rho ^yr^z]$ where $\eta ,\rho $ and $r $ are the coefficient of viscosity of liquid, density of liquid and radius of the tube respectively, then the values of $x, y$ and $z$ are given by
If dimensions of critical velocity $v_c$ of a liquid flowing through a tube are expressed as$ [\eta ^x \rho ^yr^z]$ where $\eta ,\rho $ and $r $ are the coefficient of viscosity of liquid, density of liquid and radius of the tube respectively, then the values of $x, y$ and $z$ are given by
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- [JEE MAIN 2023]
Identify the pair whose dimensions are equal
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- [AIEEE 2002]