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प्रश्न
State Soddy and Fajan’s displacement law.
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उत्तर
During a radioactive disintegration, the nucleus which undergoes disintegration is called a parent nucleus and that which remains after the disintegration is called the daughter nucleus.
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संबंधित प्रश्न
Which of the following is the radio isotope in pair?
\[\ce {^12_6 C , ^14_6 C}\]
Give reason for your answer.
Which of the following is the radio isotope in pair?
\[\ce {^30_15 P , ^32_15 P}\]
Give reason for your answer.
State the medical use of radioactivity.
_______ isotope is used for the treatment of cancer.
Which radioactive material is present in the ore of pitchblende?
What is the amount of radiation that may cause the death of a person when exposed to it?
Write any three features of natural and artificial radioactivity.
Define one roentgen.
'X – rays should not be taken often'. Give the reason.
State one use of radio isotopes.
