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प्रश्न
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उत्तर
संबंधित प्रश्न
When does the nucleus of an atom tend to become radioactive?
Give one example of isobars.
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 happens to the position of an element in the periodic table when it emits an alpha particle
State three safety precautions that you would take while handling the radioactive substances.
Why should a radioactive substance not be touched by hands?
In a cathode ray tube state the purpose of covering cathode by thorium and carbon.
A radioactive nucleus \[\ce{^A_ZX}\] undergoes spontaneous decay in the sequence \[\ce{^A_ZX -> _{Z-1 }B -> _{Z-3}C -> _{Z-2}D }\], where Z is the atomic number of element X. The possible decay particles in the sequence are ______.
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be ______.
A radioctive sample decays `7/8` times its original quantity in 15 minutes. The half-life of the sample is ______.
