Question

find value of closest approach​

Answer 1

Explanation:

Distance of closest approach is the minimum distance between α–particle and Centre of nucleus just before it reflects back by 180o. Distance of closest approach is used to determine the approximate size of the nucleus. Size of nucleus is smaller than the distance of closest approach.

Answer 2

Answer:

I didn't understood ur answer

Explanation:

I would be happier if there would be a more decent way of asking answer and not the explanation of answers