Solved papers for JEE Main & Advanced JEE Main Paper (Held On 19 May 2012)
done JEE Main Paper (Held On 19 May 2012) Total Questions - 2
question_answer1) Which of the following paramagnetic ions would exhibit a magnetic moment (spin only) of the order of 5 BM? (At. Nos. \[Mn=25,Cr=24,V=23,Ti=22\])
JEE Main Online Paper (Held On 19 May 2012)
question_answer2) If the kinetic energy of an electron is increased four times, the wavelength of the de-Broglie wave associated with it would become
JEE Main Online Paper (Held On 19 May 2012)