JEE · NEET Previous Year Question
The total number of isotopes of hydrogen and number of radioactive isotopes among
them, respectively, are:
Topic: JEE PYQ
Answer: A. Full step-by-step solution below.
- A and
- B and
- C and
- D and
Correct answer: A
Solution
(a) JEE Main 2019There are three isotopes of out of which only tritium is radioactive, which emits low energy particles. Its half life is years.
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