**Physics Problems (Video Solutions)**

**A. UG/PG PHYSICS EXPERIMENTS **

**(Go through the category in sidebar, click experiments and find demonstration & viva-voce questions)**

1. Expt Viva Questions: How to determine wavelength of the He-Ne laser light by using Michelson Interferometer

2. Expt-5 Viva Questions & Description of Susceptibility Experiment and Supporting Physical Concepts

3. Expt-4 Viva Questions_Determination of Planck’s Constant

4. Hall Effect Experiment detail formulation and Viva Questions and demonstration

5. Expt_2 Viva Questions: to determine the wavelength of the laser light by diffraction grating.

6. Calculation of the Susceptibility for FeCl3 Solution by Quinke’s Method

7. Physics Experiments with detail figures and formule

8. Expt1_Viva Questions: To find the magnetic susceptibility of FeCl3 solution by Quincke’s Method

9. How to Measure the Magnetic Susceptibility of FeCl3 solution by Quinke’s Method

10. Hall Effect ,Voltage and Electric Field simple explanation

11. How to observe Hall Voltage in the Physics Lab by using Hall Effect Experiment

12. Viva Questions of Michelson Interferometer Experiment

13. How to find Ionization potential of Mercury in Physics Lab

14. Cathode Ray Tube Construction and Working

15. Viva Questions J.J. Thomson’s experiment charge to mass ratio of the electron

16. e/m by Thomson Method Experiment Full Details |apniPhysics

17. Viva Questions pn Junction diode Characteristics

18. Viva Questions Melde’s Experiment

19. Viva Questions Stewart and Gee’s Method Experiment

20 Viva Questions Experiments Attenuation in Optical Fibers

21 Viva Questions Newton’s Rings Experiments B.Sc. Physics

**B. QUANTUM MECHANICS**

**(Go through the category in sidebar, click quantum mechanics and find video lectures)**

1.Exchange Forces & the Helium Atom |Quantum Mechanics Graduate Physics

2. The Symmetry Character of Various Particles/ Graduate Physics Online

3. The Pauli’s Exclusion Principle/Graduate Quantum Physics Online

4. How to find Normalization Constant of a Wave Function & Physical Meaning

5. Magnetic Dipole Moment Concept of a Revolving Electron in an Atom

6.Orbital and Spin Angular Momentum Role in Atomic Dipole Moment

7. Electron Spin Magnetic Moment and Concept of the Magnetization

8. Exchange Forces & the Helium Atom |Quantum Mechanics Graduate Physics

8a. The Symmetry Character of Various Particles/ Graduate Physics Online

9. The Pauli’s Exclusion Principle/Graduate Quantum Physics Online

10. How to find Normalization Constant of a Wave Function & Physical Meaning

11. Beta decay/does electron exists inside the atomic nucleus?

12. Concept of Wave Packet, Phase Velocity & Group Velocity for de Broglie Waves

13. Schrodinger’s Time Dependent and Time Independent Wave Equations

14. de Broglie Waves-Matter Waves and its Wavelength

15. Particle in a One Dimensional Box- Quantum Mechanics

16. Space Quantization and Atomic Dipole Moment

17. How to Understand Atomic Dipole Moment Concept

18. De Broglie equation solution and clear conceptual explanation (Hindi & English)

**C.ELECTRODYNAMICS**

**(Go through the category in sidebar, click electrodynamics and find video lectures)**

1. What is Voltage Source in Electric Circuits?

2. Electro Magnetic Wave Parameters: Numerical Analysis

3. Magnetic Dipole Moment Concept of a Revolving Electron in an Atom

4. Proof of Transverse Nature of Electromagnetic Wave

5. Modification of Ampere’s Circuital Law, Displacement Current

6. How to find the Magnetic Field by using Maxwell’s Equation

7. Electrodynamics Basics (The Continuity Equation) Part-6

8. Electrodynamics basics (Maxwells equation in integral and differential form) Part-5

9. Electrodynamics Basics Gauss Divergence and Stokes Theorem Part-4

10. Electrodynamics Basics Gradient Divergence and Curl Operators Part-3

11. Electrodynamics Basics Divergence Operator Part-2

12. Electrodynamics basics for Engineering Physics course Part-1

13. Transverse Nature of Electromagnetic Waves

14. Ampere’s Circuital Law and its Application (Hindi & English)

15. Displacement Current’s Physical Concept and Form

16. Gauss’s Law in Electrostatics

17. Electro Magnetic Wave Parameters: Numerical Analysis

**D. LASER**

**(Go through the category in sidebar, click LASER and find video lectures)**

1. LASER Basics: Induced Absorption, Spontaneous & Stimulated Emission

2. LASER: ATOMIC TRANSITION OR ELECTRONIC TRANSITION

3. Carbon dioxide (CO2) gas Laser** **

4. He-Ne gas Laser: Its Principle, Construction and Working

5. Ruby Laser its Construction and Working

6. Population Inversion in Laser

7. Absorption, Spontaneous, Stimulated Emission Concepts of Laser

8. How to Find LASER Wavelength Using a Diffraction Grating in the Lab

9. Basics of SemiConductor LASER Part-1

10. Basics of Semiconductor LASER part-2

11. LASER Basics: Induced Absorption – Emissions

12. Energy Levels are Representations of Shells & Orbitals in the Atom

13. Six Major Misconceptions in LASER what UG Students Thinks

14. Six Major Misconceptions in LASER what Student Thinks ?

**E. SPECIAL THEORY OF RELATIVITY**

**(Go through the category in sidebar, click Relativity and find video lectures)**

Galilean Transformation in Relativistic Mechanics (Hindi & English)

Time Dilation |Special Theory of Relativity|

Galilean Transformation |Special Theory of Relativity|

Length Contraction | Special Theory of Relativity|

Relativistic Mass in Special Theory of Relativity

Relativistic Mass in Special Theory of Relativity Part-2_Engineering Physics

Derivation of Relativistic Kinetic Energy and Total Energy

Derivation for Velocity Addition in Special Theory of Relativity

Relativity to simultaneity and twin paradox

Do all we know about the mathematical operations-part 2

Why we rotate Michelson Morley Interferometer Appratus by 90 degree?

Michelson- Morley experiment Solution of Aether Medium

Lorentz Transformation -Special Theory of Relativity