NTSE Stage 2 SAT 2015 Question Paper
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Question : 19 of 100
Marks:
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How many sub-atomic particles are present in an α -particle used in Rutherford’s scattering experiment?
| No. of Protons | No. of Neutrons | No. of Electrons | |
|---|---|---|---|
| (a) | 4 | 0 | 0 |
| (b) | 2 | 0 | 2 |
| (c) | 2 | 2 | 0 |
| (d) | 2 | 2 | 1 |
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