India has had a long and unbroken tradition of great scholarship — in mathematics, astronomy, linguistics, logic and ethics. Yet, in parallel with this, several superstitious and obscurantist attitudes and practices flourished in our society and unfortunately continue even today — among many educated people too. How will you use your knowledge of science to develop strategies to counter these attitudes ? from Physics Physical World Class 11 Manipur Board
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Physics Part I

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Physics

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India has had a long and unbroken tradition of great scholarship — in mathematics, astronomy, linguistics, logic and ethics. Yet, in parallel with this, several superstitious and obscurantist attitudes and practices flourished in our society and unfortunately continue even today — among many educated people too. How will you use your knowledge of science to develop strategies to counter these attitudes ?

Illiteracy and a lack of rational thinking are what make the people of India superstitious. So in order to eradicate the superstitious and obscurantist attitude we have to first overcome these factors. Everybody should be educated, so that one can have a scientific approach towards the real life problems. Knowledge of science can be put to use to prove the myths that is conceived in people's mind. It is important for people to understand there a logic behind everything happening in the world. 
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In Physics, matter and energy are used together in an equation. What is the relation between them?

Yes, the mass of an object is a measure of its energy content. 

The relation between mass-energy is given by, 
                              E =mc2

where, 
m = Mass of an object
c  = Speed of Light

This equation is also known as Mass-Energy Equivalence relation. 
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What is science?

The word Science originates from the Latin verb Scientia meaning 'to know'. 

Science is a systematic attempt to understand natural phenomena in as much detail and depth as possible, and use the knowledge so gained to predict, modify and control phenomena. Science is exploring, experimenting and predicting from what we see around us.



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What do you understand by matter? What are its different phases? 

Any thing that possesses weight and occupies space is called matter.

The three phases of matter are: 

  1. Solid state
  2. Liquid state
  3. Gaseous state
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Name some of the popular branches of science.

Some of the popular branches of science are:
  1. Physics
  2. Chemistry
  3. Botany
  4. Zoology
  5. Geology
564 Views

What is Physics?

Physics is that branch of science which deals with the study of properties of matter, energy and their interactions.

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