Year: 2016
Topic: Atoms
Time :
1.
When an \(\alpha\)-particle of mass m moving with velocity v bombards on a heavy nucleus of charge Ze, its distance of closest approach from the nucleus depends on m as
(1). \(\displaystyle \frac{1}{\sqrt{m}}\)
(2). \(\displaystyle \frac{1}{m^2}\)
(3). \(\displaystyle m\)
(4). \(\displaystyle \frac{1}{m}\)