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ENTRANCE TEST – 2014 Multiple Questions and Answers.
| 21. | What will be the energy of accelerated electron used to produce X-rays when the accelerating potential is 2 kV? | ||
| A. | 2 x 10-19 J | ||
| B. | 1.6 x 10-19 J | ||
| C. | 3.2 x 1019 J | ||
| D. | 3.2 x 10-16 J | ||
| 22. | Process of generating three dimensional images of objects by using laser beam is called | ||
| A. | Photography | ||
| B. | 3-D cinema | ||
| C. | Holography | ||
| D. | Tomography | ||
| 23. | Which one of the following isotopes of Iodine is used for the treatment of thyroid cancer? | ||
| A. | I - 113 | ||
| B. | I - 120 | ||
| C. | I - 131 | ||
| D. | I - 140 | ||
| 24. | A Uranium isotope 92U 232 undergoes one α–decay and one β -1 0 – decay. What is the final product? | ||
| A. | 90 | ||
| B. | 92 | ||
| C. | 89 | ||
| D. | 88 | ||
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