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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
When does the nucleus of an atom tend to become radioactive?
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
A radioactive substance is oxidized. Will there be any change in the nature its radioactivity? Give a reason for your answer
What are isobars?
Give a scientific explanation.
When the radiation coming out from a certain radioactive substance is passed through an electric field, marks are found at three places on the photographic plate placed in its path.
A radioactive source emits three types of radiations.
Name the radiation which has the highest ionizing power.
What are cathode rays? Why are they called ‘cathode rays’? Name a material which exhibits fluorescence when cathode rays fall on it.
Name the three main parts of a Cathode Ray Tube.
A certain nucleus has a mass number 20 and atomic number 9. Find the number of neutrons and protons present in it.
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
