# Solved papers for JEE Main & Advanced JEE Main Paper (Held On 11 April 2015)

### done JEE Main Paper (Held On 11 April 2015)

• question_answer1) If electronic charge e, electron mass m, speed of light in vacuum c and Planck's constant h are taken as fundamental quantities, the permeability of vacuum ${{\mu }_{0}}$can be expressed in units of: JEE Main Online Paper (Held On 11 April 2015)

A) $\left( \frac{hc}{m{{e}^{2}}} \right)$

B) $\left( \frac{h}{m{{e}^{2}}} \right)$

C) $\left( \frac{h}{c{{e}^{2}}} \right)$

D) $\left( \frac{m{{c}^{2}}}{h{{e}^{2}}} \right)$