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Physical World

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Physics Part I

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Physics

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
It is often said that the world is witnessing now a second industrial revolution, which
will transform the society as radically as did the first. List some key contemporary areas
of science and technology, which are responsible for this revolution.


Some of the key contemporary areas of science and technology which may transform the society radically are:

i) Development of super fast computers,

ii) The Internet and tremendous advancement in information technology, 

iii) Development in Biotechnology, 


iv) Development of superconducting materials at room temperature, and

v) Dvelopment of robots.
149 Views

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 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.



943 Views

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
483 Views

What is Physics?

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

882 Views

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. 
455 Views

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