IIT JEE : Nuclear Chemistry QUESTIONS AND ANSWERS :: part2 : 6 to 10
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
6.The source of solar energy is |
| Natural radioactivity |
| Nuclear fusion |
| Nuclear fission |
| Combustion of hydrogen. |
7.Group displacement law was given by |
| Becquerel |
| Rutherford |
| Irene Curie |
| Soddy and Fajan. |
8.The half-life period of a radioactive element is 140 days. After 560 days, one gram of the element will reduce to |
| 1/2 g |
| 1/4 g |
| 1/8 g |
| 1/16 g. |
9.Which of the following is used as moderator in nuclear reactors? |
| Cadmium |
| Heavy water |
| Uranium |
| Boron. |
10.Which of the following does not characterize X-rays? |
| The radiation can ionise gases |
| It causes ZnS to fluorescence |
| Deflected by electric and magnetic fields |
| Have wavelengths shorter than ultraviolet rays. |
More Nuclear Chemistry QUESTIONS AND ANSWERS available in next pages
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