NEET2016Physics-Nuclear Physics
NEET 2016 Physics Distance of Closest Approach MCQ Question
Type: MCQ-conceptual-Medium-Class 12
When an α-particle of mass m moving with velocity v bombards on heavy nucleus of charge 'Ze', its distance of closest approach from the nucleus depends on m as
A
1/m²
B
m
C
1/m
D
1/√m
Correct Answer
Option C
Detailed Explanation
The distance of closest approach is derived from the conservation of energy and depends inversely on the mass of the α-particle.
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