Solved papers for JEE Main & Advanced JEE Main Paper (Held On 12 April 2014)
done JEE Main Paper (Held On 12 April 2014) Total Questions - 1
question_answer1) 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 Online Paper ( Held On 12 Apirl 2014 )
A)
\[\frac{ch}{2\pi \varepsilon _{o}^{2}}\]
doneclear
B)
\[\frac{{{e}^{2}}}{2\pi \varepsilon _{o}^{{}}Gm_{e}^{2}}\](\[{{m}_{e}}=\] mass of electron)