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Question: Answered & Verified by Expert
Assertion : ${ }_{27}^{60} \mathrm{Co}$ is a source of gamma radiation.
Reason : Gamma emission is due to nuclear decay.
PhysicsNuclear PhysicsAIIMSAIIMS 2013
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
2798 Upvotes Verified Answer
The correct answer is: If assertion is true but reason is false.
The emission of $\gamma$ rays by a ${ }_{27}^{60} \mathrm{Co}$ nucleus is subsequent to beta decay.

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