Which of the following is not a good moderating material ?

Related Mcqs:

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____________?

A. 3/4th of it will disintegrate in two months B. It will completely disintegrate in two months C. It will completely disintegrate in four months D. 1/8th of it will remain intact at the end of four months...

Final product of uranium extraction plant at Jadugoda (Bihar) is________________?

A. Uranium B. Uranium oxide C. Uranium carbide D. Magnesium diuranate...

First experimental observation of nuclear fission was done by ____________________?

A. Plane B. Rutherford C. Fermi D. Hahn and Strassmann...

The ratio of atomic radius to its nuclear radius is about___________________?

A. 105 B. 108 C. 1012 D. 1015...

Hydrogen has ______________ isotopes?

A. No B. One C. Two D. Three...