i. Nucleus X contains 5 protons and 5 neutrons and has radius R.
Then the
radius of nucleus Y, which contains 35 protons and 45 neutrons, is
closest to:
(a) 8R.
(b) R
(c) 2R
(d) 1.4R
(c) 4R
why high energy electrons are good probe to study the
nuclear charge
radius?