Advertisements
Advertisements
प्रश्न
Under which conditions does the nucleus of an atom tend to radioactive?
Advertisements
उत्तर
The nucleus of an atom tends to be radioactive when the number of neutrons in the nucleus exceeds the number of protons inside it.
संबंधित प्रश्न
Arrange α, β, and γ rays in ascending order with respect to their
1) Penetrating power.
2) Ionising power
3) Biological effect
What is thermionic emission?
State the penetrating range of α, β and γ radiations.
During the emission of a beta particle, the ______ number remains same.
State three safety precautions that you would take while handling the radioactive substances.
What are the types of emission?
If 10% of a radioactive substance decays in every 5 years, then the percentage of the substance that will have decayed in 20 years will be ______.
Two radioactive materials A and B have decay constants 25λ and 16λ respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of B to that of A will be "e" after a time `1/("a"lambda)` The value of a ______.
A radioctive sample decays `7/8` times its original quantity in 15 minutes. The half-life of the sample is ______.
A radioactive element is placed in an evacuated chamber. Then the rate of radioactive decay will ______.
