GAT Subject
Engineering
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ENTRANCE TEST – 2008 :: Discussion
| 3. | Beta ray emitted by a radioactive substance is: | |
| A. | An electron which was existing outside the nucleus | |
| B. | An electron which was existing inside the nucleus. | |
| C. | An electron emitted by the nucleus as a result of the decay of neutron inside the nucleus. | |
| D. | A pulse of electromagnetic wave. | |
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