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Physics - Nuclear Physics

Practise 28 Manipal (MET) previous year questions on Nuclear Physics, compiled from papers spanning 2010 to 2020. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty Manipal (MET) tests.

Nuclear Physics has been asked in 11 of the 15 years of Manipal (MET) papers analysed (2010–2024), with 28 questions in all. 61% of them were easy, 29% moderate and 11% tough. Most of its questions came from 2011, with 5 questions that year.

The chapter's 4 topics are not weighted equally: Radioactivity (14 questions, 50%), Nuclear energy (5 questions, 18%), and Nuclear reactions (5 questions, 18%) have been asked the most. Over the last five years the most frequent topics have been Nuclear reactions (1) and Radioactivity (1). Nuclear reactions has produced the most tough questions (2).

  1. 1The mass number of an atom is 15 and its atomic number is 7 . Now, this atom absorbs an' -particle and emits a proton. What will be the mass2020Nuclear reactions
  2. 2Half-life period of a radiactive substance is 10 min , then amount of substance decayed in 40 min will be2020Radioactivity
  3. 3The nuclear reaction (mass of deuteron and of is2019Nuclear energy
  4. 4Binding energy per nucleon plot against the mass number for stable nuclei is shown in the figure. Which curve is correct?2019Nuclear energy
  5. 5The binding energy per nucleon is maximum in the case of2018Nuclear energy
  6. 6The mass defect in a particulạr nuclear reaction is 0.3 g . The amount of energy liberated in killowatt hour is (velocity of light )2018Nuclear reactions
  7. 7The half-life period of radium is 1600 yr . The fraction of a sample of radium that would remain after 6400 yr is2017Radioactivity
  8. 8Nuclear reactor in which U-235 is used as fuel. Uses 2 kg of in 30 days. Then, power output of the reactor will be (given energy released pe2016Nuclear reactions
  9. 9Particle which can be added to the nucleus of an atom without changing its chemical properties are2016Nuclear structure
  10. 10The half-life of is . The time taken for the radioactivity of a sample of this nucleus to decay to th of its initial value is2016Radioactivity
  11. 11In a nuclear reactor, undergoes fission liberating 200 MeV of energy. The reactor has a efficiency and produces 1000 MW power. If the reacto2015Nuclear reactions
  12. 12The biological damage caused by 1 gray -radiation is compared with 1 gray -radiation in the same type of human tissue. The damage caused by 2015Radioactivity
  13. 13Order of magnitude of density of uranium nuclus is ( )2015Nuclear structure
  14. 14The fraction of atoms of radioactive element that decays in 6 days is . The fraction that decays in 10 days will be2014Radioactivity
  15. 15When transforms to , then the number to the emitted and -particles is, respectively2014Radioactivity
  16. 16Two nuclei touch each other. The electrostatics repulsive energy of the system will be2014Nuclear structure
  17. 17Given a sample of radium- 226 having half-life of 4 days. Find, the probability, a nucleus disintegrates after 2 half lives.2014Radioactivity
  18. 18A body of specific heat is heated through . The percentage increase in its2013Nuclear energy
  19. 19The energy supplied to Kolkata by the state electricity board during an average November week day was 40 GWh . If this energy could be obtai2013Nuclear energy
  20. 20A count rate meter shows a count of 240 per minute from a given radioactive source. One hour later the meter shows a count rate of 30 per mi2012Radioactivity
  21. 21A nucleus initially at rest, undergoes alpha decay according to the equation Then, the value of and are2012Radioactivity
  22. 22Decáy constant of radium is . By a suitable process its compound radium bromide is obtained. The decay constant of radium bromide will be2011Radioactivity
  23. 23Rn decays into Po by emitting an -particle with half-life of 4 days. A sample contains atoms of Rn after 12 days, the number of atoms of Rn 2011Radioactivity
  24. 24As a result of radioactive decay is converted into . The particles emitted during this decay are2011Radioactivity
  25. 25Which of the following pairs is an isobar?2011Nuclear structure
  26. 26The half-life of the isotope is 15 h . How much time does it take for th of a sample of this isotope to decay?2011Radioactivity
  27. 27A freshly prepared radioactive source of half-life 2 h emits radiation of intensity which is 64 times the permissible safe level. Calculate 2010Radioactivity
  28. 28In the reaction identify .2010Nuclear reactions

Frequently Asked Questions

1.How many questions are available for Nuclear Physics?

This chapter includes 28 questions compiled from Manipal (MET) papers spanning 2010 to 2020.

2.Are these questions only from Manipal (MET), or from other exams too?

These are Manipal (MET) questions specifically for the Nuclear Physics chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Nuclear Physics an important chapter for Manipal (MET) Physics?

Nuclear Physics has appeared in 11 of the 15 years of Manipal (MET) papers covered here, with 28 questions across 11 papers - about 3 per paper it appears in.

4.What is the difficulty level of Nuclear Physics questions in Manipal (MET)?

Of the 28 questions analysed for this chapter, 61% are easy, 29% moderate and 11% tough. 2011 had the most, with 5 questions.

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

These topics have carried the most weightage in Nuclear Physics:

  • Radioactivity - 14 questions (50%)
  • Nuclear energy - 5 questions (18%)
  • Nuclear reactions - 5 questions (18%)
  • Nuclear reactions has produced the most tough questions (2).