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प्रश्न
In the following atoms, which one is a radioisotope? Give one use of this isotope.
O16, C14, N14, He4
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.
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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube
Name the charged particles
What happens if the negative potential is changed on a grid?
Give the relative ionizing power of α, β and γ radiations.
A radioactive source emits three types of radiations. Name them.
(i) Name the radiations which are charged.
(ii) Name the radiations which are most penetrating.
(iii) Name the radiations which travel with the speed of light.
(iv) Name the radiations which have the largest mass.
A radioactive nuclide `""_86^226` Ra decays by emission of two alpha particles, one beta particle and gamma rays. Which of the following is the resulting nuclide X?
What are the uses of radioactive isotopes in following?
(a) Medical field,
(b) Agriculture,
(c) Industries?
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.
How is a zinc sulphide screen affected when a cathode ray beam strikes it?
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z - 2}X + ^4_{2}He}\]
Complete the following radioactive reaction:
\[\ce{^-_-X -> ^-_-Y + ^4_2He -> ^234_91Z + ^0_-1e}\]
