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Physics - Nuclear Physics

Practise 12 MHT-CET (PCB) previous year questions on Nuclear Physics, compiled from papers in 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty MHT-CET (PCB) tests.

Nuclear Physics has been asked in 1 of the 1 years of MHT-CET (PCB) papers analysed (2026), with 12 questions in all. 67% of them were easy, 33% moderate and 0% tough. Most of its questions came from 2026, with 12 questions that year. In 2026 it had 12 questions across 11 papers, about 1.1 per paper.

The chapter's 3 topics are not weighted equally: Radioactivity (9 questions, 75%), Nuclear reactions (2 questions, 17%), and Nuclear structure (1 question, 8%) have been asked the most.

  1. 1The activity of a freshly prepared radioactive sample of a radioisotope is disintegrations per second. The average life ( ) of this isotope 25 Apr, 2026 (M)Radioactivity
  2. 2Consider the following nuclear fission reaction . If neutrons are released during the fission process, then and are25 Apr, 2026 (E)Nuclear reactions
  3. 3A radioactive nucleus decays to . Which of the following particles are emitted?24 Apr, 2026 (M)Radioactivity
  4. 4Two spherical nuclei have mass numbers 216 and 64 with their radii and respectively. The ratio is24 Apr, 2026 (M)Nuclear structure
  5. 5When a nucleus in an atom undergoes a radioactive decay, the atomic number and/or mass number of the atom24 Apr, 2026 (E)Radioactivity
  6. 6A radio isotope X with a half life year, decays to Y, which is stable. A sample of rock from a cave was found to contain X and Y in the rati23 Apr, 2026 (M)Radioactivity
  7. 7In a given reaction, the radioactive radiations are emitted in the sequence of23 Apr, 2026 (M)Radioactivity
  8. 8At time , the activity of a radioactive substance is Bq. At s, the activity remains Bq. The activity at s, the is23 Apr, 2026 (E)Radioactivity
  9. 9A common example of decay is Then x and y , respectively, stand for22 Apr, 2026 (M)Radioactivity
  10. 10For a radioactive nucleus that undergoes decay, which of the following CANNOT occur?22 Apr, 2026 (E)Radioactivity
  11. 11The equation ; represents21 Apr, 2026 (M)Nuclear reactions
  12. 12Two radioactive materials A and B having decay constant ' ' and ' ' respectively, initially have same number of nuclei. The time taken to ha21 Apr, 2026 (E)Radioactivity

Frequently Asked Questions

1.How many questions are available for Nuclear Physics?

This chapter includes 12 questions compiled from MHT-CET (PCB) papers in 2026.

2.Are these questions only from MHT-CET (PCB), or from other exams too?

These are MHT-CET (PCB) questions specifically for the Nuclear Physics chapter. Questions from other exams like NEET or AIIMS are organised separately under their respective exam sections.

3.Is Nuclear Physics an important chapter for MHT-CET (PCB) Physics?

Nuclear Physics has appeared in 1 of the 1 year of MHT-CET (PCB) papers covered here, with 12 questions across 10 papers - about one per paper it appears in.

4.What is the difficulty level of Nuclear Physics questions in MHT-CET (PCB)?

Of the 12 questions analysed for this chapter, 67% are easy, 33% moderate and 0% tough. 2026 had the most, with 12 questions.

5.Which topics in Nuclear Physics should I focus on?

These topics have carried the most weightage in Nuclear Physics:

  • Radioactivity - 9 questions (75%)
  • Nuclear reactions - 2 questions (17%)
  • Nuclear structure - 1 question (8%)
6.Is Nuclear Physics's weightage in MHT-CET (PCB) going up or down?

Across all 10 papers analysed, Nuclear Physics has averaged about 1.2 questions per paper. In 2026, that average has stayed about the same, at about 1.1 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.