Solved papers for JEE Main & Advanced JEE Main Paper (Held On 10 April 2015)
done JEE Main Paper (Held On 10 April 2015) Total Questions - 1
question_answer1) de-Broglie wavelength of an electron accelerated by a voltage of 50 V is close to \[(|e|=1.6\times {{10}^{-19}}C,{{m}_{e}}=9.1\times {{10}^{-31}}kg,h=6.6\times {{10}^{-34}}Js)\]
JEE Main Online Paper (Held On 10 April 2015)