N Nexsus

Engineering Physics — Minor 2026 question paper

MMMUT Information Technology previous year question paper for Engineering Physics (BSM-131), semester 1, Minor 2026. All 13 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: Engineering Physics (BSM-131)
  • Branch: Information Technology
  • Semester: 1
  • Exam: Minor 2026
  • Questions: 13

Questions asked in Engineering Physics Minor 2026

  1. Q1. Attempt three parts of the followings. Part (a) is compulsory. (Unit-I and Unit-II)
  2. Q1(a). Derive the conditions for the maximum and minimum intensities in Fraunhofer diffraction phenomenon from a single slit. Also find the ratio of intensities. Why are the higher orders in diffraction patterns are not visible? Explain. [4 marks]
  3. Q1(b). A soap film of refractive index 1.33 and thickness 4500 Å is exposed to white light. Which wave-lengths in the visible region are reflected? [2 marks]
  4. Q1(c). Explain the physical significance of wave function with the help of appropriate example. [2 marks]
  5. Q1(d). Write down momentum and energy operators and explain their physical significance. [2 marks]
  6. Q2. Attempt two parts of the following. Part (a) is compulsory. (Unit-I)
  7. Q2(a). Define “Resolving Power”. Discuss Raleigh criteria for the same. Derive the formula for the resolution limit of an optical transmission grating. [4 marks]
  8. Q2(b). Light containing two wavelengths λ₁ and λ₂ falls normally on a plano-convex lens of radius R resting a glass plate. If the nᵗʰ dark ring due to wavelength λ₁ coincides with the (n+1)ᵗʰ dark ring due to λ₂, prove that the radius of the dark ring of λ₁ is [2 marks]
  9. Q2(c). Define polarization. Describe one method to produce polarized light with the help of neat and clean diagram. [2 marks]
  10. Q3. Attempt two parts of the following. Part (a) is compulsory. (Unit-II)
  11. Q3(a). Derive the formula for the normalized Wave-function and Energy Eigen values for a particle trapped in one dimensional infinite potential box. Draw neat and clean diagram to explain it. [4 marks]
  12. Q3(b). Discuss the concept of group velocity and reduce the Heisenberg Uncertainty principle. [2 marks]
  13. Q3(c). Derive Time Dependent Schrodinger equation. [2 marks]