MMMUT Chemical Engineering previous year question paper for APPLIED PHYSICS (BSM -126), semester 1, Minor 2 2026. All 8 questions are listed below, each with a written answer on Nexsus.
Paper details
Subject: APPLIED PHYSICS (BSM -126)
Branch: Chemical Engineering
Semester: 1
Exam: Minor 2 2026
Questions: 8
Questions asked in APPLIED PHYSICS Minor 2 2026
Q1(a). i. What do you mean by lasing phenomenon? How is it achieved? Define the terms spontaneous and stimulated emission. ii. Describe working principle of He-Ne gas laser with the help of neat and clean diagram. [5 marks]
Q1(b). Explain the phenomenon of transmission of waves through an optical fibre. Define the terms acceptance angle, acceptance cone and numerical aperture. [5 marks]
Q1(c). Describe the construction and function of a simple microscope with the help of neat and clean diagram. [5 marks]
Q2(a). Define 0D, 1D and 2D nanomaterials and give two appropriate examples of each. [5 marks]
Q2(b). Write down six potential applications of nanomaterials. [5 marks]
Q2(c). Write comments on the followings: (i) NMR (ii) MRI [5 marks]
QQ1. Attempt any Two parts of the following. Unit-III
QQ2. Attempt any Two parts of the following. Unit-IV