Скачать или смотреть JEE Physics | Properties of Solids | Volumetric & Longitudinal Strain | Poisson’s Ratio | L-3

Welcome to Purnea Live Classes!
Welcome to Lecture 3 of the Properties of Solids series for JEE Physics, brought to you by PLC (Purnea Live Classes).
In this lecture, we focus on the relation between Volumetric Strain and Longitudinal Strain, and introduce the concept of Poisson’s Ratio, which is frequently asked in JEE and other competitive exams.
What You Will Learn in This Lecture:
What is Stress and Strain?
Detailed explanation of Volumetric Strain
Meaning and formula of Longitudinal Strain
Concept and derivation of Poisson’s Ratio
Mathematical relation connecting all three
Practice questions based on JEE Mains and Advanced level
Key Definitions for Quick Revision:
🔹 Volumetric Strain:
Change in volume per unit original volume.
Formula: ΔV / V
🔹 Longitudinal Strain:
Change in length per unit original length.
Formula: ΔL / L
🔹 Poisson’s Ratio (σ):
Ratio of lateral strain to longitudinal strain.
Formula: σ = Lateral Strain / Longitudinal Strain
These concepts are extremely important for topics in elasticity and material science in JEE Physics.
📝 Access PDF Notes, Recorded Lectures & Live Classes:
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