Why Pressure Increases as We Go Deeper in Water? 🤯 | Class 11 Physics | Fluids
Автор: Physics by Dr. SR Sir (IITB)
Загружено: 2026-01-17
Просмотров: 13
Welcome to Lecture 3 of Chapter 9: Mechanical Properties of Fluids for Class 11 Physics, taught by Dr. SR Sir (IIT Bombay).
In this lecture, we study a very important concept — Variation of Pressure with Depth in Fluids, which is frequently asked in Boards, JEE & NEET.
📘 Topics Covered in This Lecture:
Meaning of Pressure in Fluids
Pressure due to Liquid Column
Derivation of Pressure at a Depth (P = ρgh)
Physical Meaning of ρ, g and h
Why Pressure Depends Only on Depth
Pressure at Same Depth (Important Concept)
Real-Life Examples (Swimming, Dams, Submarines)
Important Numerical Problems (Board + JEE/NEET level)
✨ This lecture builds the foundation for upcoming topics like Buoyancy, Archimedes’ Principle, and Bernoulli’s Theorem.
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