Question

When a gold sheet is bombarded by a beam of α–particles, only a few of them get deflected whereas most go straight, undeflected. This is because 

(1) The force of attraction exerted on the α–particles by the oppositely charged electrons is not sufficient. 

(2) A nucleus has a much smaller volume than that of an atom. 

(3) The force of repulsion acting on the fast moving α–particles is very small. 

(4) The neutrons in the nucleus do not have any effect on the α–particles

Answer 1

Correct option (2) A nucleus has a much smaller volume than that of an atom

Explanation:

Only a few gut defeated whereas most of them go straight, undefeated because most of the space in the atom is empty and nucleus has very small volume because of which diffraction occurs.