Related Questions

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
The radioactive isotope of hydrogen is
A deuterium
B tritium
C protium
D none of these
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
Which one is the radioactive isotope of hydrogen?
A Deuterium
B Ortho-hydrogen
C Tritium
D None of these
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
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
Which of the followings is not a right isotope of Hydrogen?
A Hydrogen-7
B Protium
C Deuterium
D None of these
Isotope bone scanning can detect
A Stress fracture
B Reflex sympathetic dystrophy
C Hypertrophic osteoarthoropathy
D Osteomalacia
E Osteoporosis

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