Chemistry · Chapter 11 of 11

Radioactivity: BPSC & UPPCS Prelims PYQs

2 previous-year questions on Radioactivity. Each one opens to its answer and explanation.

1. 1. UPPSC Prelims 2021

   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 code given below.

   1. AOnly 1
   2. BOnly 2
   3. CBoth 1 and 2
   4. DNeither 1 nor 2
   Answer and explanation →

2. 2. 56th–59th BPSC Prelims 2014

   What was the fissionable material used in the bombs dropped at Nagasaki (Japan) in the year 1945?

   1. ASodium
   2. BPotassium
   3. CPlutonium
   4. DUranium
   Answer and explanation →