Physics Archives - Apni Physics

Graduate Physics Video Tutorials

Post author:Dr Sushil Kumar
Post published:11/09/2022
Post category:Class Notes
Post comments:0 Comments
Post last modified:11/09/2022
Reading time:3 mins read

Physics video tutorials for BSc and BE/BTech students

Reflection of light by Spherical Mirrors

Spherical Mirrors Learning Steps for Optics Chapter

Post author:Aditi Komwal
Post published:22/08/2021
Post category:Science
Post comments:0 Comments
Post last modified:22/08/2021
Reading time:5 mins read

The reflection of light by spherical mirrors or curved surfaces, we will study in this topic. Before I explain the steps I would recommend you to learn basic fundamentals or…

Michelson Interferometer Experiment 15 Viva Questions

Post author:Dr Sushil Kumar
Post published:06/08/2019
Post category:Expt Viva
Post comments:1 Comment
Post last modified:20/09/2020
Reading time:2 mins read

Michelson Interferometer Experiment Viva Questions Determination of He-Ne Laser wavelength by using the M I Experiment It works on the interference principle. "What is the principle of Michelson Interferometer?" The…

Best-known Magnetic Susceptibility Experiment 20 Viva Questions

Post author:Dr Sushil Kumar
Post published:22/07/2019
Post category:Expt Viva
Post comments:3 Comments
Post last modified:19/02/2026
Reading time:3 mins read

Viva Questions: How to determine magnetic susceptibility using FeCl3 liquid in Quincke's tube experiment. Some viva questions are listed here that might be useful for you to understand the experiment.…

Quantum Physics and the World of Sprituality

Post author:Dr Sushil Kumar
Post published:11/07/2019
Post category:Poetry
Post comments:0 Comments
Post last modified:02/10/2025
Reading time:5 mins read

I have explain that how microscopic world can effect the physical world on the basis of energy. On the other hand I can say that how a person can make resonance…

Properties of optical fibers

Post author:Dr Sushil Kumar
Post published:14/02/2019
Post category:Class Notes
Post comments:0 Comments
Post last modified:24/11/2019
Reading time:2 mins read

The refractive index in the core material of the fiber varies due to variation in the composition of the core material which give rise to two types of optical fibers.…

What is Total Internal Reflection (TIR)?

Post author:Dr Sushil Kumar
Post published:14/02/2019
Post category:Class Notes
Post comments:0 Comments
Post last modified:24/11/2019
Reading time:2 mins read

Total Internal Reflection Total Internal Reflection (TIR) is the principle of signal transmissions in optical fibers. The understanding of the critical angle is important to understand the TIR. Do you know…

15 Viva Questions Magnetic Susceptibility by Quincke Method Experiment

Post author:Dr Sushil Kumar
Post published:28/01/2019
Post category:Expt Viva
Post comments:1 Comment
Post last modified:19/02/2026
Reading time:2 mins read

Viva Questions: Magnetic Susceptibility by Quincke Method Experiment is determined by using the FECL3 solution. 1Q. What is the atomic dipole moment? 2Q. What is Bohr Magneton? 3Q: What are…

Robust Ruby Laser Construction and Working

Post author:Dr Sushil Kumar
Post published:27/01/2019
Post category:Science
Post comments:0 Comments
Post last modified:17/08/2019
Reading time:2 mins read

Ruby Laser its Construction and Working Ruby laser construction and working, It is the first operating laser using three energy levels scheme of population inversion and a solid-state crystal laser…

Hall Effect Experiment and 10 Viva Questions

Post author:Dr Sushil Kumar
Post published:22/01/2019
Post category:Expt Viva
Post comments:0 Comments
Post last modified:11/11/2022
Reading time:3 mins read

Hall Effect Experiment and Viva Questions: In the hall effect experiment, we determine the hall voltage and hall coefficient. What is the principle of the Hall effect ?"When we place…