Transcription of CHAPTER ONE - NCERT
{{id}} {{{paragraph}}}
Example: bankruptcy
CHAPTER ONE - NCERT
WHAT IS PHYSICS ?Humans have always been curious about the world aroundthem. The night sky with its bright celestial objects hasfascinated humans since time immemorial. The regularrepetitions of the day and night, the annual cycle of seasons,the eclipses, the tides, the volcanoes, the rainbow have alwaysbeen a source of wonder. The world has an astonishing varietyof materials and a bewildering diversity of life and inquiring and imaginative human mind has respondedto the wonder and awe of nature in different ways. One kindof response from the earliest times has been to observe thephysical environment carefully, look for any meaningfulpatterns and relations in natural phenomena, and build anduse new tools to interact with nature.
scattering of alpha particles by gold foil, in 1911 by Ernest Rutherford (1871–1937) established the nuclear model of the atom, which then became the basis of the quantum theory of hydrogen atom given in 1913 by Niels Bohr (1885–1962). On the other hand, the concept of antiparticle was first introduced theoretically by
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: