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NCERT Solutions for Class 11 Physics Chapter 1 Physical World

by aglasem
August 26, 2021
in Extras
Reading Time: 1 min read
0
NCERT Solutions

NCERT Solutions Class 11 Physics Chapter 1 Physical World – Here are all the NCERT solutions for Class 11 Physics Chapter 1. This solution contains questions, answers, images, explanations of the complete chapter 1 titled Of Physical World taught in Class 11. If you are a student of Class 11 who is using NCERT Textbook to study Physics, then you must come across chapter 1 Physical World After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 11 Physics Chapter 1 Physical World in one place.

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NCERT Solutions Class 11 Physics Chapter 1 Physical World

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Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Physics for Class 11 so that you can refer them as and when required. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions.

For a better understanding of this chapter, you should also see summary of Chapter 1 Physical World , Physics, Class 11.

Class 11
Subject Physics
Book Physics Part I
Chapter Number 1
Chapter Name

Physical World

NCERT Solutions Class 11 Physics chapter 1 Physical World

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Class 11, Physics chapter 1, Physical World solutions are given below in PDF format. You can view them online or download PDF file for future use.

Physical World Download

NCERT Solutions for Class 11 Physics Chapter 1 Physical World Download

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Download NCERT Solutions Class 11 Physics chapter 1 Physical World In PDF Format

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Question & Answer

Q.1: Some of the most profound statements on the nature of science have come from Albert Einstein, one of the greatest scientists of all time. What do you think did Einstein mean when he said : “The most incomprehensible thing about the world is that it is comprehensible”?

Ans : The physical world is highly complex. It has vast orders of magnitude in respect of mass, length and time. Even then all the physical phenomena can be explained in terms of few basic principles of physics. That is, it is possible to comprehend nature in terms of few basic laws in spite of its vast complexities. This is what Einstein meant to say.

Q.2: “Every great physical theory starts as a heresy and ends as a dogma”. Give some examples from the history of science of the validity of this incisive remark.

Ans : Any opinion against the conventional belief is a heresy, while dogma is an established belief. The geocentric theory of Copernicus started as a heresy but it ended as dogma when his theory was explained by Tycha Brahe and Jahnes Kepler later on.

Q.3: “Politics is the art of the possible”. Similarly, “Science is the art of the soluble”. Explain this beautiful aphorism on the nature and practice of science.

Ans : In politics, everything is possible. The politicians do not follow any principle, discipline or norm. They tend to remain in power by any means, fair or foul. gut a scientist observes a phenomenon carefully and patiently, collects data, analyses it and formulates principles, thus solving the mystery of nature.

Q.4: Through India now has a large base in science and technology, which is fast expanding, it is still a long way from realising its potential of becoming a world leader in science. Name some important factors, which in your view have hindered the advancement of science in India.

Ans : There are many factors which have hindered the advancement of science in India. Some of these are: 1.There is lack of clear cut policies at the political level. There is undue political interference and bureaucratisation in the management of science and technology. 2. Due to excessive population, our country cannot afford to expend sufficient funds on science and technology 3. Talented scientists and technologists are not encouraged to pursue research work in the homeland. Instead, they prefer to migrate to developed countries' where they get better salaries and research facilities. 4. There is lack of coordination between researchers and industraliasts. Industrialists like to borrow

Q.5: No physicist has ever “seen” an electron. Yet, all physicists believe in the existence of electrons. An intelligent but superstitious man advances this analogy to argue that ‘ghosts’ exist even though no one has ‘seen’ one. How will you refute his argument ?

Ans : Many phenomena which are based on the assumption of existence of atoms have been theoretically predicted and experimentally verified. These phenomena indirectly establish the existence of atoms. gut no such phenomenon has been observed which proves the existence of ghosts or which can be explained on the assumption of ehosts.

NCERT / CBSE Book for Class 11 Physics

You can download the NCERT Book for Class 11 Physics in PDF format for free. Otherwise you can also buy it easily online.

  • Click here for NCERT Book for Class 11 Physics
  • Click here to buy NCERT Book for Class 11 Physics

All NCERT Solutions Class 11

  • NCERT Solutions for Class 11 Accountancy
  • NCERT Solutions for Class 11 Biology
  • NCERT Solutions for Class 11 Chemistry
  • NCERT Solutions for Class 11 Maths
  • NCERT Solutions for Class 11 Economics
  • NCERT Solutions for Class 11 History
  • NCERT Solutions for Class 11 Geography
  • NCERT Solutions for Class 11 Political Science
  • NCERT Solutions for Class 11 Sociology
  • NCERT Solutions for Class 11 Psychology
  • NCERT Solutions for Class 11 English
  • NCERT Solutions for Class 11 Hindi
  • NCERT Solutions for Class 11 Physics
  • NCERT Solutions for Class 11 Business Studies
  • NCERT Solutions for Class 11 Statistics

All NCERT Solutions

You can also check out NCERT Solutions of other classes here. Click on the class number below to go to relevant NCERT Solutions of Class 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12.

Class 1 Class 2 Class 3
Class 4 Class 5 Class 6
Class 7 Class 8 Class 9
Class 10 Class 11 Class 12

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