| Tritium, an isotope of hydrogen is radioactive in nature and finds its use in |
| 1. compasses |
| 2. watch faces |
| 3. glowing gun sights |
| 4. porcelain teeth |
| 5. smoke detector |
| Select the correct answer using the codes given below. |
A) 1, 2 and 3
B) 2, 3 and 4
C) 3, 4 and 5
D) 2, 4 and 5
Correct Answer: A
Solution :
[a] Tritium is a radioactive isotope of hydrogen. The nucleus of tritium (sometimes called a triton) contains one proton and two neutrons, whereas the nucleus of protium (by far the most abundant hydrogen isotope) contains one proton and no neutrons. Naturally occurring tritium is extremely rare on Earth, where trace amounts are formed by the interaction of the atmosphere with cosmic rays. Tritium finds use in various fields including Self-powered lighting Nuclear weapons Neutron initiator Boosting Tritium is sometimes used as a radiolabel. Tritium is an important fuel for controlled nuclear fusion.
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