Advertisements
Advertisements
प्रश्न
In the following atoms, which one is a radioisotope? Give one use of this isotope.
O16, C14, N14, He4
Advertisements
उत्तर
C14 is a radioisotope. It is used in carbon dating to determine the age of organic materials. It is used in biological research, agriculture, pollution control, and archaeology and so on.
APPEARS IN
संबंधित प्रश्न
When does the nucleus of an atom tend to become radioactive?
A radioactive substance is oxidized. Will there be any change in the nature its radioactivity? Give a reason for your answer
Define the term radioactivity.
What is nucleus of an atom? Compare its size with that of the atom. Name its constitutents. How is the number of these constituents determined by the atomic number its atomic model.
What do you mean by electron emission?
In a cathode ray tube state the purpose of the fluorescent screen.
Name the Different Radiations Which Are Emitted by the Radioactive Substances.
Are all the radiations mentioned by you, emitted in a single radioactive decay?
Which part of the atom undergoes a change in the process of radioactive decay?
It is advised not to touch a radioactive substance by hand. Give reason.
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 ______.
