The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ______________ gm?

Related Mcqs:

Isotopes of an element have the same__________________?

A. Number of neutrons B. Mass number C. Electronic configuration D. Atomic weight...

The main ore of uranium is ______________________?

A. Pitchblende B. Monazite sand C. Cassiterite D. Chalcopyrite...

____________ nuclear reactor does not require a heat exchanger to supply steam to power turbine?

A. Molten sodium cooled B. Helium cooled C. Boiling water D. Pressurised water...

Pick out the correct statement?

A. Positron is the antiparticle of electron B. In α-decay, the ratio of neutron to proton decreases C. Ionising power of β-rays is higher than that of α-rays D. Speed of α-rays is more than that of γ-rays...

Biological shield is provided in a nuclear power reactor to protect the ______________ from radiation damage?

A. Fuel elements B. Operating personnels C. Walls of the reactor D. None of these...