The most abundant isotope of natural uranium is ___________________?

Related Mcqs:

1. Enrichment of uranium is done to increase the concentration of ______________ in the natural uranium?

   A. U-238 B. U-233 C. U-235 D. Pu-239...

2. In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous ________________?

   A. Uranium oxide B. Uranium hexafluoride C. Uranium carbide D. Uranium sulphate...

3. Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at_______________?

   A. Alwaye (in Kerala) B. Jadugoda (in Jharkhand) C. Kalpakkam (in Tamilnadu) D. Gopalpur coast (in Orissa)...

4. Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher _____________________?

   A. Melting point, hence can be subjected to higher temperature B. Density; hence core volume for a given power output would be smaller C. Resistance to effects of irradiation D. All A., B. and C....

5. Percentage of U-238 in natural uranium is around__________________?

   A. 0.71 B. 99.29 C. 0.015 D. 29.71...

6. Quantity of fissionable material (i.e. U-235) in natural uranium is _____________ percent?

   A. 0.71 B. 6.31 C. 99.29 D. 12.73...

7. Which of the following isotopes is not present in natural uranium?

   A. U-238 B. U-234 C. U-235 D. U-232...

8. If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same isotope will be ____________ days?

   A. 5 B. 10 C. 20 D. 30...

9. A radioactive isotope undergoes decay with respect to time following _____________ law?

   A. Logarithmic B. Exponential C. Linear D. Inverse square...

10. Which one is the radioactive isotope of hydrogen ?

    A. Deuterium B. Ortho-hydrogen C. Tritium D. None of these...