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Pressure in Fluids Class 9 Physics (NCERT/CBSE) - Complete simple explanation in Hindi

In this lecture, we revise basic concepts of Thrust and Pressure, Density, and Hydrostatic Pressure formula (P = hρg). Perfect for Class 9 students preparing for exams - with examples, units, and homework tips.

Key Topics Covered:
Pressure = Force/Thrust/Weight per unit Area
Unit: Pascal (N/m²)
Density = Mass per unit Volume (ρ)
Hydrostatic Pressure: P = hρg (with swimming pool example)
Calculations with calculator practice

YouTube Chapters:
0:00 Introduction to Pressure - Basic Definition and Formula
0:14 Pressure = Force (or Thrust) per Unit Area
1:38 Pressure as Weight per Unit Area - Example with 1 kg Bottle
2:29 Unit of Pressure: Pascal (N/m²)
4:30 Summary of Pressure Formulas and Units
5:03 Homework 1: Basic Pressure Calculations (F/A and Weight)
6:09 Density - Definition and Formula (Mass per Unit Volume)
7:50 Density Symbol (ρ) and Homework 2
8:23 Hydrostatic Pressure in Fluids - New Formula Introduction
9:11 P = h ρ g Explained (Height, Density, Gravity)
10:23 Fluids (Liquids + Gases) and Swimming Pool Example
11:29 Derivation and Units of P = h ρ g
14:32 Two Main Pressure Formulas Compared
15:35 Homework 3: Calculations with P = h ρ g
17:14 End of Lecture - Assignment Reminder

Solve the assigned sheets and practice with calculator for better speed!

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Disclaimer:
📝📝📝 While I have taken care to ensure the accuracy of the information presented, this channel assumes no responsibility or liability for any errors or omissions. You are requested to consult standard textbooks in case of any confusion.
Thank you.




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