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____________?

Related Mcqs:

Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?

A. 32 B. 52 C. 72 D. 88...

Coolant used in a fast breeder reactor is____________________?

A. Molten sodium B. Heavy water C. Ordinary water D. Helium...

In a pressurised water reactor (PWR), the___________________?

A. Fuel is natural uranium and heavy water acts both as moderator & coolant B. Coolant water boils in the core of the reactor C. Coolant water is pressurised to prevent bulk boiling of water in the core D. Use of moderator is not required...

Pick out the wrong statement?

A. The disintegration rate of a radioactive substance cannot be increased by heating it B. Electrons have negligible mass and unit negative change C. Deuterium atom has one proton and two neutrons in its nucleus D. Cadmium is capable of absorbing neutrons...

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...