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प्रश्न
State one use of radio-isotopes.
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उत्तर
The most important one use of radio-isotopes is in medicines which are used mainly to cure cancer.
संबंधित प्रश्न
What do you mean by Atomic number
A nucleus of an element X which has the symbol `""_84^202` X emits an alpha particle and then a beta particle. The final nucleus is `""_"b"^"a"` Y Find a and b.
State two characteristics of the substance used as thermionic emitter.
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
It is advised not to touch a radioactive substance by hand. Give reason.
Mention one important function of ear main parts:
State the principle on which the functioning of a nuclear reactor is based.
The activity of a certain radionuclide decreases to 15 percent of its original value in 10 days. What is its half life?
[ln (0.15) = -1.9]
In the following atoms, which one is a radioisotope? Give one use of this isotope.
O16, C14, N14, He4
Assertion (A): The force of repulsion between atomic nucleus and α-particle varies with distance according to inverse square law.
Reason (R): Rutherford did α-particles scattering experiment.
