The ratio of volume of an atom to that of its nucleus is__________________?

Related Mcqs:

Heavy water is preferred over ordinary water as a coolant, because it?

A. Acts both as an efficient coolant as well as a moderator B. Can be heated to a higher temperature without pressurizing C. Is less prone to radiation damage D. All A., B. and C....

Which of the following is not a good moderating material ?

A. Concrete B. Boron C. 18/8 stainless steel D. All A., B. and C....

The disintegration rate of a radioactive element _______________?

A. Progressively increases B. Progressively decreases C. Remains constant throughout D. May increase or decrease depending on the material...

Moderating material used in a thermal-reactor should be a ____________________?

A. Good absorber of neutrons B. Solid substance C. Poor absorber of neutrons D. None of these...

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

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