1. Percentage of U-238 in natural uranium is around
2. Enrichment of uranium is done to increase the concentration of __________ in the natural uranium
3. Which one is radioactive in nature ?
4. Main source of __________ is monazite sand
5. Uranium ore is currently mined & concentrated at
6. The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
7. Graphite is used in nuclear reactor as
8. The most commonly used nuclear fuel in boiling water reactor is
9. Fuel for a nuclear reactor (thermal) is
10. A fast breeder reactor employs
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