18 JEE Main 2022 Nuclear Physics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2022 previous-year questions from the Nuclear Physics chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Nuclear Physics chapter hub.
The activity of a radioactive material is 6 . 4 × 10 - 4 curie. Its half life is 5 days. The activity will become…
A freshly prepared radioactive source of half life 2 hours 30 minutes emits radiation which is 64 times the permissible…
The disintegration rate of a certain radioactive sample at any instant is 4250 disintegrations per minute. 10 minutes l…
In the following nuclear reaction, D → α D 1 → β - D 2 → α D 3 → γ D 4 Mass…
What is the half-life period of a radioactive material if its activity drops to 1 16 th   of its initial value of…
How many alpha and beta particles are emitted when Uranium U 92 238 decays to lead   Pb 82 206 ?
A sample contains 10 - 2   kg each of two substances A and B with half lives 4   s and 8   s respectivel…
Nucleus A is having mass number 220 and its binding energy per nucleon is 5 . 6   MeV . It splits in two fragments…
Two radioactive materials A and B have decay constants 25 λ and 16 λ respectively. If initially they have the…
The half life period of a radioactive substance is 60 days. The time taken for 7 8 th of its original mass to disintegr…
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