Home PYQs UPPSC UPPSC MCQs Prelims 2021 (GS Paper I)

Question

With reference to the radioactivity, which of the following statements is/are correct ?

1. Radioactivity is a nuclear property.
2. Hydrogen bomb is prepared on the principle of nuclear fission.

Select the correct answer using the codes given below.
Codes :

  1. Only 1
  2. Only 2
  3. Both 1 and 2
  4. Neither 1 nor 2

Answer:

Option A: Only 1

Detailed Solution:

The correct answer is “Only 1”.

Radioactivity is indeed a nuclear property.

The hydrogen bomb, also known as a thermonuclear bomb, primarily operates on the principle of nuclear fusion, not nuclear fission. It involves the fusion of isotopes of hydrogen (like deuterium and tritium) to release a tremendous amount of energy.