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)
  \[\frac{ch}{2\pi \varepsilon _{o}^{2}}\]
  done clear
  B)
  \[\frac{{{e}^{2}}}{2\pi \varepsilon _{o}^{{}}Gm_{e}^{2}}\](\[{{m}_{e}}=\] mass of electron)
  done clear
  C)
  \[\frac{{{\mu }_{o}}{{\varepsilon }_{o}}}{{{c}^{2}}}\frac{G}{h{{e}^{2}}}\]                              
  done clear
  D)
  \[\frac{2\pi \sqrt{{{\mu }_{o}}{{\varepsilon }_{o}}}}{c{{e}^{2}}}\frac{h}{G}\]
  done clear
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