SUBJECT MEANING AND IMPORTANCE

Human mind has always been keen and curious to understand the physical phenomenon in the surroundings and the underlying principles.  Have not we often wondered to seek answers to the following questions?

  Why is a rainbow semicircular?                        
  Why does an electric bulb glow immediately whereas a tube light take sometime to glow when the switch is ‘turned on’.
  How are aquatic animals able to survive even when the atmospheric temperature falls several degrees below the normal        ‘ice-point’?
  How is one able to talk instantly to a friend in another country using a mobile phone?
  How is one able to watch, ‘live’ on television, an event or happening occurring anywhere in the world?

            Physics attempts to answer these and many other interesting and intriguing questions that arise from our daily life observations.  It is undoubtedly most fundamental science that helps us to get a better understanding of the physical world and to achieve progress – farther and faster !

            The  Wikipedia encyclopedia considers Physics as the branch of science concerned with the discovery and characterization of universal laws which govern matter, energy,  space and time.  The role of Physics, it states, is to provide a logical picture of nature, in agreement with experience.