Jump to a section

Physics - Dual Nature of Matter

Practise 22 MHT-CET (PCB) previous year questions on Dual Nature of Matter, 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.

Dual Nature of Matter has been asked in 1 of the 1 years of MHT-CET (PCB) papers analysed (2026), with 22 questions in all. 41% of them were easy, 59% moderate and 0% tough. Most of its questions came from 2026, with 22 questions that year. In 2026 it had 22 questions across 11 papers, about 2 per paper.

The chapter's 2 topics are not weighted equally: Photoelectric Effect (11 questions, 50%) and Matter Waves (11 questions, 50%) have been asked the most.

  1. 1The wavelength of an electron and of a photon of same energy E are related as26 Apr, 2026 (M)Matter Waves
  2. 2An electron of mass m and charge e initially at rest gets accelerated by a constant electric field E. The de-Broglie wavelength of the elect26 Apr, 2026 (M)Matter Waves
  3. 3An electron and positron are accelerated from rest to the same kinetic energy. The ratio of their de Broglie wavelengths is25 Apr, 2026 (M)Matter Waves
  4. 4A student plots two different graphs using the same photoelectric experiment data. 1. Maximum kinetic energy ( ) against frequency ( ) 2. St25 Apr, 2026 (M)Photoelectric Effect
  5. 5The de Broglie wavelength of an electron with kinetic energy is . If the kinetic energy increases to , the new wavelength is . The value of 25 Apr, 2026 (E)Matter Waves
  6. 6A light of wavelength falls on a metal surface. The momentum of the fastest moving electron is . In order to have the momentum of an electro25 Apr, 2026 (E)Photoelectric Effect
  7. 7In a photoelectric cell, for the incident radiation of wavelength , the fastest electron has speed 'v'. If the wavelength of incident radiat24 Apr, 2026 (M)Photoelectric Effect
  8. 8The additional energy that should be given to an electron to reduce its de-Broglie wavelength from 1 nm to 0.5 nm is times the initial kinet24 Apr, 2026 (M)Matter Waves
  9. 9When a light beam of frequency is incident on a metal surface, photoelectrons are emitted. If these electrons describe a circle of radius r 24 Apr, 2026 (E)Photoelectric Effect
  10. 10Statement I - When the wavelength of incident radiation in a photoelectric experiment is decreased, then the stopping potential will decreas24 Apr, 2026 (E)Photoelectric Effect
  11. 11In an interference experiment, interference was observed using waves associated with electrons having de-Broglie wavelength . The electrons 23 Apr, 2026 (M)Matter Waves
  12. 12An electron of mass and a photon have the same energy E. The ratio of de-Broglie wavelengths associated with them is { = velocity of light}23 Apr, 2026 (M)Matter Waves
  13. 13In the case of the photo-electric effect, which of the following sentences is NOT TRUE? a. The photo-electrons are emitted only when the fre23 Apr, 2026 (M)Photoelectric Effect
  14. 14A particle is dropped from a height ' '. The de-Broglie wavelength of the particle as a function of height is23 Apr, 2026 (E)Matter Waves
  15. 15Light of frequency is incident on the metal of threshold frequency . The maximum kinetic energy of the emitted photoelectron is ( h = Planck23 Apr, 2026 (E)Photoelectric Effect
  16. 16A photon of energy 8 eV is incident on a metal surface of work function 3.75 eV. The stopping potential of the metal is22 Apr, 2026 (M)Photoelectric Effect
  17. 17Let and represent kinetic energy of electron and photon respectively. If de-Broglie wavelength of a photon is four times the de-Broglie wave22 Apr, 2026 (M)Matter Waves
  18. 18If the photoelectric work function of a metal is ' ' and the frequency of incident light is ' ', there is no emission of photoelectrons if22 Apr, 2026 (E)Photoelectric Effect
  19. 19The de-Broglie wavelength of the free electron is ' ' and has a kinetic energy . If the kinetic energy of the free electron is made double, 22 Apr, 2026 (E)Matter Waves
  20. 20At the stopping potential, the photoelectrons have21 Apr, 2026 (M)Photoelectric Effect
  21. 21An electron of mass ' ' accelerated through a potential difference ' ' has the de Broglie wavelength associated with it as ' '. If a proton 21 Apr, 2026 (E)Matter Waves
  22. 22When light of wavelength ' ' is incident on a photosensitive surface, the stopping potential is ' '. When light of wavelength ' ' is inciden21 Apr, 2026 (E)Photoelectric Effect

Frequently Asked Questions

1.How many questions are available for Dual Nature of Matter?

This chapter includes 22 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 Dual Nature of Matter chapter. Questions from other exams like NEET or AIIMS are organised separately under their respective exam sections.

3.Is Dual Nature of Matter an important chapter for MHT-CET (PCB) Physics?

Dual Nature of Matter has appeared in 1 of the 1 year of MHT-CET (PCB) papers covered here, with 22 questions across 11 papers - about 2 per paper it appears in.

4.What is the difficulty level of Dual Nature of Matter questions in MHT-CET (PCB)?

Of the 22 questions analysed for this chapter, 41% are easy, 59% moderate and 0% tough. 2026 had the most, with 22 questions.

5.Which topics in Dual Nature of Matter should I focus on?

These topics have carried the most weightage in Dual Nature of Matter:

  • Photoelectric Effect - 11 questions (50%)
  • Matter Waves - 11 questions (50%)
6.Is Dual Nature of Matter's weightage in MHT-CET (PCB) going up or down?

Across all 11 papers analysed, Dual Nature of Matter has averaged about 2.0 questions per paper. In 2026, that average has stayed about the same, at about 2.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.