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Multiple choice

What is the reason for 27Co60 radioactivity?

  1. Its atomic number is high.

  2. It has high P/N ratio.

  3. It has high N/P ratio.

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is the N/P ratio which affects the radioactivity of a substance. The higher the N/P ratio, more unstable will be the nuclide.

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