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HC Verma Solutions Class 11 Chapter 14 - Some Mechanical Properties of Matter

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Last updated date: 17th Jul 2024
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Summary of HC Verma Solutions Part 1 Chapter 14: Some Mechanical Properties of Matter

The mechanical properties of materials are crucial in engineering and understanding material behaviour. HC Verma explores concepts like elasticity, stress, and strain. He introduces Young's modulus, Hooke's law, and the factors affecting the elastic behaviour of materials. The chapter also discusses the phenomenon of plastic deformation and the breaking point of materials.


Looking for HC Verma Solutions for Class 11 Physics Chapter 14: Some Mechanical Properties of Matter? You can easily find the PDF of HC Verma Solutions for Class 11 Physics Part-1 Chapter 14 - Some Mechanical Properties of Matter on Vedantu for free. This fantastic resource allows you to access the solutions anytime and from anywhere, ensuring that you have all the materials you need for your studies.


Download Class 11 HC Verma Solutions Some Mechanical Properties of Matter PDF for free, Vedantu aims to provide a flexible and efficient studying experience that will help to score good marks in your exam.


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Important Topics of HC Verma Solutions Class 11 Chapter 14: Some Mechanical Properties of Matter

1. Intermolecular Force 

The force which acts between two neighboring molecules is called an Intermolecular Force. Each molecule of a solid feels this intermolecular force.


2. Elasticity

Elasticity is the property of the body to regain its original shape and size. It is generally due to the attraction forces working among molecules and atoms. This force is known as the Elastic Force.


3. Perfectly Elastic Body 

Perfectly elastic bodies are the bodies that regain their perfect shape and size just after the removal of the deforming forces.


4. Plasticity 

It is the opposite property of elasticity. A body cannot regain its original shape and size.


5. Stress

Stress is defined as the force per unit area on the surface when a body is deformed. It is the force that opposes the external force on the body.

Stress = F/ A 

F= Force,    A= Area

SI unit of Stress= Nm-2


Type of Stress

  1. Normal Stress

  2. Tangential Stress

  • Normal Stress: Normal stress is the stress produced perpendicular to the surface of the body. It is also of two types:

  1. Tensile Stress

  2. Compressive Stress

  • Tangential Stress: Tangential stress is the stress which acts parallel to the surface of the body.


6. Strain 

Strain is the ratio of change in size with the original shape of the body. 

It is of three types: 

  • Longitudinal Strain

The strain produced in the length of anybody after applying deforming force is called longitudinal strain.

Longitudinal Strain = ∆ L / L


  • Volumetric Strain

The strain produced in the volume of a body due to any of the deforming forces is called the volumetric strain.

Volumetric Strain = ∆ V / V


  • Shear Strain

The strain produced in the angular inclination of the body is called linear strain.

Shear Strain = ∆ L / L


7. Elastic Limit

Elastic limit is the maximum stress which a body can bear. After applying more stress than the elastic limit on a body, the body will break down.


8. Hooke's Law

Hooke's law states that the ratio of the stress to the strain at any point is constant. This constant is called the modulus of elasticity.  It is applicable only within the elastic limit.

Modulus of Elasticity = Stress / Strain


9. Young's Modulus 

Young's modulus is the ratio of longitudinal stress to the longitudinal strain. It is always constant for every material.


10. Bulk Modulus 

Bulk modulus is the ratio of longitudinal stress to the volumetric strain for any object.


11. Shear Modulus 

Shear modulus is the ratio of the tangential stress to the shear strain.


12. Poisson's Ratio

Lateral strain is the change in diameter (ΔD) to the original diameter (D) of the body. Longitudinal strain is a change in length (Δl) to the original length (l) of anybody. Here, The ratio of lateral strain to the longitudinal strain is called Poisson’s ratio.


Key benefits of using Class 11 HC Verma Solutions for Chapter 14 - Some Mechanical Properties of Matter:

  • The solutions are provided by expert Physics teachers, who have a deep understanding of the concepts in the chapter.

  • The solutions cover all of the exercises in the chapter, so students can practice solving problems in a variety of contexts.

  • The solutions are available in a free PDF, so students can access them anytime, anywhere.

  • The given PDF provides a clear and concise explanation of the solutions to the exercises.


HC Verma Volume 1 Solutions Other Chapters:


To make the most of the HC Verma Chapter 14 - Some Mechanical Properties of Matter Solutions, Vedantu recommends following these tips:

Begin by thoroughly reading the chapter: Ensure that you grasp the fundamental concepts and terminology before delving into the solutions.

Work through the examples step-by-step: Instead of simply memorizing the solutions, strive to understand the logic and reasoning behind each step.

Attempt the illustrative exercises independently: Challenge yourself to solve the problems on your own first. If you encounter difficulties, you can refer to the solutions for guidance, but attempting them independently enhances your problem-solving skills.

Practice, practice, practice! Remember, the more you practice solving physics problems, the more proficient you will become.


Take advantage of Vedantu's free Class 11 HC Verma Solutions for Chapter 14 - Some Mechanical Properties of Matter and embark on an efficient and flexible study routine. With these solutions by your side, you can confidently revise and practice physics concepts, paving the way for academic success.


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FAQs on HC Verma Solutions Class 11 Chapter 14 - Some Mechanical Properties of Matter

1. What is elasticity and is it an example according to HC Verma Class 11 Physics Part- 1 Solution for Chapter- 14? 

Elasticity is the property of the body to regain its original shape. It is generally due to the attraction forces among molecules and atoms. This force is called an elastic force. Polymers like rubber have high elasticity. Rubber Bands are elastic so easily bent in any direction and that's why it does not break. Other examples of elastic materials are mattresses and springs.

2. Is HC Verma Class 11 Physics Part- 1 Solutions for Chapter- 14 the right book for JEE / NEET preparation? 

Concepts of physics written by HC Verma is one of the most famous books for the preparation of competitive examinations available in the market. This book is specially designed for students to make physics interesting for students and mainly contains daily life problems. Many of the experts suggest this book for JEE/ NEET preparation and that's why reading this book can make your concepts stronger. 

3. How to read physics to get a better percentage on the board as well as a better rank in competitive examinations? 

For a better understanding of physics, you should learn the concepts first. To get better results in physics, grip over concepts is the most important thing. After reading the concepts, you should attempt all of the important questions from NCERT and after that, you should go for competitive physics books like HC Verma and DC Pandey. Remember that NCERT is the most important thing for a good score. 

4. How do I get HC Verma Class 11 Physics Part- 1 Solution? 

The best source to download solutions for HC Verma Class 11 Physics Part- 1 Solution is Vedantu. On Vedantu you can find solutions to every problem in detail. On Vedantu you can find solutions to problems, revision notes, and important questions from different competitive examinations.  You can also find the solutions of various state boards, CBS,  ICSE, and competitive examinations. 

5. Is doing only these questions from HC Verma Class 11 Physics Part- 1 Solution enough?

All chapters are nearly equally important for the exam. So you have to keep a good command over concepts for better results. Doing as many questions as you can surely boost your confidence and knowledge. You can also pick up some of the previous year's questions and most important questions from the platform of Vedantu.