NCERT Solutions for Class 11 Physics Chapter 1 Free PDF Download

NCERT Solutions for Class 11 Physics Chapter 1 – Physical World

Physics is a subject that studies everything present in the universe. In addition, how everything works and what are their characteristics. But class 11 physics is pretty tough to understand for students. That’s why we prepared these NCERT Solutions for Class 11 Physics Chapter 1 which will guide you through the chapter thoroughly. Also, our video tutorial explains each topic in simple language.

These solutions are pretty easy to understand as our expert teacher has designed them to convey a proper and complete meaning of each topic and equations of the chapter.

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CBSE Class 11 Physics Chapter 1 Physical World NCERT Solutions

The world that we see, feel, and experience around us is the physical world. In this NCERT Solutions for Class 11 Physics Chapter 1, we are going to discuss what is physical world from the viewpoint of physics. Moreover, this NCERT Solution clear all your doubts and queries related to this chapter. Also, it explains each and every topic of the chapter in detail.

Subtopics covered under NCERT Solutions for Class 11 Physics Chapter 1

1.1 What is Physics?

Physics refers to that branch of science that is related to the nature and properties of energy and substance. Likewise, its subject matter includes mechanics, sound, gravity, electricity, heat, light and radiation, magnetism, and the structure of atoms. Besides, this topic discusses how this science work and its origin. And various terms related to physics are discussed in the topic.

• Natural science- the science that relates to nature.

1.2 Scope And Excitement Of Physics

This topic describes how interesting physics is and its scope. Physics is fun or exciting because you can learn the concepts by performing them. Moreover, the scope of physics is very wide that the whole universe comes in it. In addition, the topic describes the scope of physics in gravity, motion, electricity, light, radiation, heat and many others.

1.3 Physics, Technology, and Society

This topic overviews the various scientist and philosopher who contributed to the development of physics and technology. Likewise, the topic contains a chart that contains the name of those scientists and philosophers whom contribution in physics we can’t deny.

1.4 Fundamental Forces in Nature

This topic describes all those forces that work on every object or body. Besides, the topic has a chart that contains the link between physics and technology.

1.4.1 Gravitational Force- It refers to the force that attracts an object towards the earth.

1.4.2 Electromagnetic Force- It refers to the force that every object produce which attract or repel other objects.

1.4.3 Strong Nuclear Force- It refers to the force that binds the protons and electrons with the nucleus of the atom.

1.4.4 Weak Nuclear Force- It refers to that force, which is not strong enough to bind the protons and electrons in an element. Likewise, it only appears in β-decay of the nucleus.

1.4.5 Towards Unification of Forces- This topic defines how various scientists grouped different forces of nature among a common force.

1.5 Nature of Physical Laws

This topic talks about the nature of laws of physics and how different scientist theories are categorized in one group of category. Besides, this topic contains a chart that shows the unification of different forces.

You can download NCERT Solutions for Class 11 Physics Chapter 1 PDF by clicking on the button below.

Solved Questions for You

Question 1: Physics involves the study of the

1. Plants
2. Humans
3. Birds and animals
4. Nature and natural phenomena

Answer:  Physics is a branch of science which deals with the study of nature and natural phenomena.

Question 2: Which year was declared as International Year of Physics. ?

1. 2002
2. 2003
3. 2005
4. 2007

Answer: The year 2005 was declared as the International Year of Physics.

Question 3: Lightning was discovered by the

1. Ohm
2. Thomson
3. Franklin
4. Faraday

Answer: Lightning was discovered by Franklin.

Question 4: What is the full form of GMRT?

1. Ground Mobile Receive Terminal
2. Geometric Mean Reciprocal Titer
3. Giant Metrewave Radio Telescope
4. General Maintenance and Repair Technician

Answer: Giant Metrewave Radio Telescope (GMRT).

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