Related Questions

A radioactive isotope undergoes decay with respect to time following __________ law.
A logarithmic
B exponential
C inverse square
D linear
তেজস্ক্রিয়তার ক্ষেত্রে কোনটি সঠিক?i. এটি একটি নিউক্লিয় ঘটনা ii. তেজস্ক্রিয়তা পরিমাপের একক বেকরেল iii. তেজস্ক্রিয়তা মানব শরীরে জন্য উপকারী নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
Radioactive decay is a __________ change.
A Chemical
B Nuclear
C Physical
D None of these
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
Emission of β-particles during radioactive decay of a substance is from
A Innermost shell
B Nucleus
C Outermost shell
D None of these
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
Radioactive decay follows __________ order kinetics.
A First
B Second
C Third
D Zero
Radioactive decay of a material involves a __________ order reaction.
A Third
B Second
C First
D Zero
In β-decay of radioactive material, the ratio of neutron to proton
A Increases
B Remains same
C Decreases
D Is unpredictable; may increase or decrease

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