Related Questions

The radioactive isotope of hydrogen is
A deuterium
B tritium
C protium
D none of these
Radioactive Isotope
A Helps in bone scan
B Capable to emit radiation
C Cannot convert to stable isotope
D Safe in pregnancy
E Not suitable for sterilization of medical instruments
A radioactive isotope undergoes decay with respect to time following __________ law.
A logarithmic
B exponential
C inverse square
D linear
Half life of a radioactive isotope corresponds to the time required for half of the following to decay
A Electrons
B Protons
C Neutrons
D Atom
The time required for half of the __________ of a radioactive isotope to decay is called its half life.
A Nuclei
B Electrons
C Protons
D Neutrons
Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.
A Atoms
B Neutrons
C Nucleons
D Electrons
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 $${\frac{3}{4}^{{\text{th}}}}$$ of it will disintegrate in two months
B It will completely disintegrate in two months
C It will completely disintegrate in four months
D $${\frac{l}{8}^{{\text{th}}}}$$ of it will remain intact at the end of four months
240 radioactive grams of goo loses half its radioactivity every 10 days. How many grams of radioactive goo is left in 40 days?
A 120
B 60
C 15
D none
Which of the followings is not a right isotope of Hydrogen?
A Hydrogen-7
B Protium
C Deuterium
D None of these
Which of the following is not an isotope of hydrogen?
A protium
B deuterium
C tritium
D helium

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