Class 10 Physics | Numerical 10.4 | PECTAA New book | Math with Danish Gill

The easiest method and step-by-step solution of Numerical 10.4 (Thermal Properties of Matter) for 10th class physics. Assalam-o-Alaikum Dear Students! 👋 Welcome back to Math with Danish Gill. In this video, we completely solve Numerical 10.4 step by step, explaining how to calculate temperature change (Delta T), unit conversion from centimeters to meters for linear expansion (Delta L), remembering the constant value of alpha for steel, and formula derivation. -------------------------------------------------------------------- Lecture Details Subject: Physics Class: 10th Grade Chapter: Unit 10 - Thermal Properties of Matter Topic: Numerical 10.4 Solution (Bridge Thermal Expansion) Board: All Punjab Boards (PECTAA Syllabus) -------------------------------------------------------------------- Video Chapters: 0:00 - Introduction & Quick Revision of Previous Numericals 2:12 - Numerical 10.4 Statement & Identifying Given Data (Steel Bridge Expansion) 4:30 - Important Note: Constant Value of Alpha for Steel & Unit Conversion (cm to m) 10:50 - Formula Derivation for Delta T & Step-by-Step Calculation 13:50 - Summary & Conclusion -------------------------------------------------------------------- If you found this lecture helpful, don't forget to Like, Share, and Subscribe to the channel! -------------------------------------------------------------------- #physics #10thclass #10thphysics #thermalproperties #linearexpansion #bridgeexpansion #boardexam #mathwithdanishgill #pectaa #matric #physicsnumerical