A radioactive substance has an average life of $5$ hours. In a time of $5$ hours
A radioactive substance has an average life of $5$ hours. In a time of $5$ hours
- A
Half of the active nuclei decay
- B
Less than half of the active nuclei decay
- C
More than half of the active nuclei decay
- D
All active nuclei decay
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- [AIIMS 2008]
Write the definition of half life of radioactive substance and obtain its relation to decay constant.
Write the definition of half life of radioactive substance and obtain its relation to decay constant.