Engineering Physics (BAS201) - AKTU Question Paper 2023-24
B.Tech · Semester 2 · Free PDF Download
This is the official AKTU Engineering Physics Previous Year Question Paper for B.Tech Semester 2, academic session 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
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Questions Asked in 2023-24
Engineering Physics (BAS201) — complete question paper · 70 marks · 3 Hours
- aWhat is the physical significance of wave function?
- bWhy Maxwell proposed the modification of Ampere’s law
- cThick film shows no color in interference why?
- dExplain Rayleigh’s criterion of resolution
- eHow can you say that He-Ne laser is superior to ruby laser?
- fHow step index fiber is compared with graded index fiber?
- gWhat is top down and bottom up method
- aCalculate the energy of an oscillator of frequency 5. 3 X 1012 /sec. at 500 K treating it as (i) classical oscillator (ii) Planck’s Oscillator. Given that k= 1.38 X 10-23 J/K and h= 6.6 X 10-34 J-Sec
- bFind the skin depth at frequency of 1.6 MHz in aluminum where σ = 38.2 X 106 and μR = 1 . Also find out the propagation constant and wave velocity
- cA Diffraction grating is just able to resolve two lines of wavelengths 5140.34 and order
- dThe coherence length of sodium light is 2.945 X 10 -2 m and its wavelength is 5890 . Calculate
- bThe no. of oscillations corresponding to the coherence length
- eA Superconducting material has critical tempera ture of 4.2 K in zero magnetic field and a critical field of 0.0306 T at 0K Find the critical field at 2.1 K
- aDiscuss Compton Effect & Derive an expression for Compton shift & show that Why Compton effect not observed with visible light
- bFind Eigen value & Eigen function of free particle in a bo x by using Schrödinger wave equation
- aDerive electromagnetic wave equation in a conducting medium and use these equations to derive differential equations for electric and magnetic field in this case
- bState and Deduce Poynting theorem & Derive expression for it. A 100 watt sodium lamp radiating its power . Calculate the electric & magnetic field strength at a distance of 5 m. from the lamp
- aDescribe how Newton’s rings experiment can be used to determine the refractive index of a liquid
- bGive the construction and theory of plane transmission grating and explain the formation of spectra by it
- aWhat are Einstein’s A and B coefficients? Obtain relation between transition probabilities for spontaneous and stimulated emission of radiation
- bWhat do you understand by attenuation in optical fiber? Discuss the important factors responsible for the loss of power in optical fiber
- aExplain Meissner’s effect. Give the experimental demonstration of Meissner’s effect
- bWhat are the changes in the properties that take place in a material when its size reduced to nanoscale. Give some examples Also explain the reasons for these property changes
Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.
Repeated Questions — BAS201
Questions that appeared in more than one session, found by comparing 3 years of Engineering Physics papers (2022-23, 2023-24, 2024-25)
Describe how Newton’s rings experiment can be used to determine the refractive index of a liquid
Appeared in: 2022-23 · 2023-24
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