Скачать или смотреть Mechanical Properties of Solids 5 | Young’s Modulus Explained | Class 11 Physics JEE/NEET

Topic Covered - Mechanical Properties of Solids 5 | Young’s Modulus Explained | Class 11 Physics JEE/NEET
Duration: 21 minutes 42 seconds
Video Link: Watch here (   • Mechanical Properties of Solids 5 | Young’...  )

"Stress, Strain, Hooke’s Law in 60 seconds! 💥 Class 11 Physics made visual by Rajesh SIR. Full chapter in one shot — link in bio!
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• Mechanical Properties of Solids 5 | Young’s Modulus Explained | Class 11 Physics JEE/NEET

Concepts Explained:
Stress and Strain
Hooke’s Law
Definition and Formula of Young’s Modulus
Graphical Representation
Real-life Applications
Numerical Problem Solving

*Perfect for Class 11/12 Physics, JEE/NEET aspirants, and engineering students.

Timestamps:
00:00 Young’s Modulus – What does it mean?
00:45 Stress is force per unit area.
01:15 Strain is change in length over original length.
02:10 Hooke’s Law: Stress is proportional to strain.
03:30 Elastic limit – the point where permanent deformation begins.
05:00 Young’s Modulus = Stress / Strain
06:20 Units of Young’s Modulus: N/m² or Pascal
07:40 Steel vs Rubber – comparing stiffness
09:00 Graphical view of stress vs strain
10:15 Real-life examples: wires, springs, materials
12:00 Ductile vs Brittle materials
13:30 Numerical Problem 1 – solved step-by-step
15:00 Numerical Problem 2 – with explanation
17:00 Common mistakes students make
18:30 Summary of key concepts
20:00 Final tips for JEE/NEET
21:00 Outro – Subscribe for more with Rajesh SIR

"Welcome to Physics Class with Rajesh SIR. Today we’re exploring Young’s Modulus — a key concept in understanding how materials stretch or resist force."

"Stress is the force applied per unit area. Strain is the relative change in length. These two help us define Young’s Modulus."

"Hooke’s Law tells us that stress is directly proportional to strain, but only within the elastic limit."

"Young’s Modulus is simply Stress divided by Strain. It tells us how stiff a material is."

"Steel has a high Young’s Modulus — it’s tough to stretch. Rubber has a low modulus — it stretches easily."

"Let’s solve a few numerical problems to apply this concept practically."

"Remember: Always use SI units and check your assumptions before solving."

"Thanks for watching. Subscribe for more visual physics with Rajesh SIR!"

This video blends conceptual clarity with visual diagrams to make learning intuitive and engaging. Whether you're preparing for board exams or competitive entrances, this lecture will strengthen your understanding of elasticity and material behavior.

Tags
stress strain curve, mechanical properties of solids, ductile vs brittle, physics class 11, engineering materials, stress and strain, hooke's law, elastic limit, plastic deformation, fracture point, stress strain diagram, jee physics, neet physics.

Instructor: Rajesh SIR – Physics Educator & Visual Learning Designer
Subscribe for more: @physicsclass7014

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