MMMUT Electronics and Communication Engineering previous year question paper for Engineering Physics (BSM 127), semester 1, Minor 1 2026. All 8 questions are listed below, each with a written answer on Nexsus.
Paper details
Subject: Engineering Physics (BSM 127)
Branch: Electronics and Communication Engineering
Semester: 1
Exam: Minor 1 2026
Questions: 8
Questions asked in Engineering Physics Minor 1 2026
Q1(a). Define crystal lattice. Differentiate between crystal and amorphous solid. [3 marks]
Q1(b). Briefly discuss the crystallography. How Ering's law is useful to find out structure of crystal. [2 marks]
Q1(c). What do you mean by atomic packing factor (APF). Write formula and calculate APF for SC and BCC lattice. [2 marks]
Q2(a). Discuss Davisson-Germer experiment. How it is useful to identify the wave characteristic of particle? [3 marks]
Q2(b). A proton is moving with a speed of 2 x 10^8 m/s. Find the wavelength of the matter-wave associated x_ph in (Gross that, mass of proton, m_0 = 1.67 x 10^-27 kg) [2 marks]
Q2(c). Highlights the postulates of quantum mechanics. [2 marks]
QQ1.. Attempt any two parts of the following. Q.1 (a) is compulsory.
QQ2.. Attempt any two parts of the following. Q.2 (a) is compulsory.