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ENGINEERING PHYSICS — Major (End Semester) 2026 question paper

MMMUT Electronics and Communication Engineering previous year question paper for ENGINEERING PHYSICS (HSM-127), semester 1, Major (End Semester) 2026. All 26 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: ENGINEERING PHYSICS (HSM-127)
  • Branch: Electronics and Communication Engineering
  • Semester: 1
  • Exam: Major (End Semester) 2026
  • Questions: 26

Questions asked in ENGINEERING PHYSICS Major (End Semester) 2026

  1. Q04.. Attempt any Two parts of the following. (Unit-Ill)
  2. Q1. Find out the electromagnetic wave equation from Maxwell's equation. Show that the EM wave travels with speed of light in free space. [2 marks]
  3. Q1. Discuss the modification of Ampere's law in terms of displacement current. Explain the term displacement current and give its implications. [2 marks]
  4. Q1. What is nanoscience and nanotechnology? Discuss the significance of nanoscale materials. [2 marks]
  5. Q1. Define electrical conductivity obtain the expression of conductivity for intrinsic and extrinsic semiconductors. [2 marks]
  6. Q1. Write down the characteristics and applications of superconductors. Calculate the transition temperature of niobium for which the critical field is 1 x 10° A/m at 8 K and 2 × 10°A/m at 0 K. [2 marks]
  7. Q1. What was the objective of Davisson-Germer experiment? Discuss the results of this experiment. [2 marks]
  8. Q1. State Ampere's law in differential and integral forms. [2 marks]
  9. Q1. Describe quantum well, quantum wire, and quantum dots. Mention their important propertics. [2 marks]
  10. Q1. What is Bragg's law7 In Bragg's reflection of X-rays, a reflection was found at the glancing angle of 30° with lattice planes of spacing 1.87 A. If this is a second-onder reflection, then calculate the wavelength of X-rays. [2 marks]
  11. Q1. Write down Maxwell's equations in integral form. Write physical significance of each equation. [2 marks]
  12. Q1. What is matter wave? A proton is moving with a speed of 2 ×10° m/s. Find the wavelength of ine matter-wave associated with it. (Given that, mass of proton, mo =1.67x102 kg) [2 marks]
  13. Q1. Define (i) critical transition temperature and (ii) critical field, in case of superconductors. [2 marks]
  14. Q1. Define wave function. What is the physical significance of wave function? [2 marks]
  15. Q1. Define space Inttice. How is it helpfil to describe a crystal structure? [2 marks]
  16. Q1. A plane electromagnetic wave propagating along the *direction has a wavelength of 5.0 mm. The electric field is in the Y-direction and its maximum magnitude is 48 V/m. Write the equations of the electric and magnetic fields as a function of x and t. [2 marks]
  17. Q1. Derive time-dependent and time-independent Schrödinger wave equations. [2 marks]
  18. Q2. What is internlanar spacine? Derive the formula for [1 marks]
  19. Q2. Obtain Bragg's law for X-ray diffraction in crystals. Show how it can be experimentally verified. [5 marks]
  20. Qa). Attempt any Two parts of the following. (Unit-Il)
  21. QPI. Code [1 marks]
  22. QQ2.. Attempt any Two parts of the following (Unit-I)
  23. QQ3.. Attempt any Two parts of the following. (Unit-Il)
  24. QQ4.. Attempt any Two parts of the following. (Unit-IV)
  25. QQ5.. Q3.
  26. QQI.. Attempt any Five parts of the following. (All Unit)