Core Team

Pravin Sharma, MS

Founder

Physics educator & writer

Pravin Sharma is a PhD candidate in Applied Science Department at William & Mary, Virginia, USA. He has MSc in Physics with specialization in Materials Science, from Savitribai Phule Pune University, Pune India. His current research is on Ultrafast Laser Spectroscopy, complemented by work in Atomistic Spin Dynamics (ASD) modeling…

Notes by Pravin Sharma, MS

Newton’s Third Law: Definition, Applications, Misconceptions, & Examples

Dec 22, 2025 · Pravin Sharma, MS · ⏱ 12 min read

Action and reaction pairs explained using everyday examples and free-body reasoning. Read more about Newton’s Third Law: Definition, Applications, Misconceptions, & Examples

Newton’s Second Law: Definition, Units, Applications & Examples

Nov 8, 2025 · Pravin Sharma, MS · ⏱ 11 min read

Everything you need to understand F = ma — statement, units, free-body diagrams, component form, common misconceptions, and… Read more about Newton’s Second Law: Definition, Units, Applications & Examples

$Refraction of Light: Definition, Laws, Causes, Applications, and Examples$

Refraction of Light: Definition, Laws, Causes, Applications, and Examples

Oct 8, 2025 · Pravin Sharma, MS · ⏱ 10 min read

Light bends when it crosses from one medium to another — but why? Explore the definition, laws, causes,… Read more about Refraction of Light: Definition, Laws, Causes, Applications, and Examples

Newton’s First Law (Law of Inertia): Definition, Examples & Applications

Sep 27, 2025 · Pravin Sharma, MS · ⏱ 15 min read

Inertia is explained through simple examples, conceptual traps, and classroom demonstrations. Effects of equilibrium, misconceptions of inertia, types… Read more about Newton’s First Law (Law of Inertia): Definition, Examples & Applications

Reflection of Light: Laws, Types, Application, & FAQs

Aug 2, 2025 · Pravin Sharma, MS · ⏱ 6 min read

Why does a mirror show your face, but a wall doesn't? Learn the two laws of reflection, the… Read more about Reflection of Light: Laws, Types, Application, & FAQs