- 1(current)
Q. No.\(\alpha\text{-}\)particle consists of:
| 1. | \(2\) protons only. |
| 2. | \(2\) protons and \(2\) neutrons only. |
| 3. | \(2\) electrons, \(2\) protons, and \(2\) neutrons. |
| 4. | \(2\) electrons and \(4\) protons only. |
Subtopic: Â Various Atomic Models |
 68%
Level 2: 60%+
NEET - 2019
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When an \(\alpha\text-\)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. | \(\dfrac{1}{\sqrt{m}}\) | 2. | \(\dfrac{1}{m^{2}}\) |
| 3. | \(m\) | 4. | \(\dfrac{1}{m}\) |
Subtopic: Â Various Atomic Models |
 76%
Level 2: 60%+
NEET - 2016
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- 1(current)
Q. No.
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