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Engineering Physics — Minor 2025 question paper

MMMUT Computer Science and Engineering previous year question paper for Engineering Physics (BSM-110), semester 1, Minor 2025. All 13 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: Engineering Physics (BSM-110)
  • Branch: Computer Science and Engineering
  • Semester: 1
  • Exam: Minor 2025
  • Questions: 13

Questions asked in Engineering Physics Minor 2025

  1. Q1. Attempt three parts of the followings. Part (a) is compulsory.
  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 λ 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.
  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 n th 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 λn is $ \lambda_{1}\lambda_{2}R $ [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.
  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]