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NCERT Physics Class-12(Part-2) : For English Medium Students PDF Book

NCERT Physics Class-12(Part-2) : For English Medium Students PDF Book 


NCERT Physics Class-12(Part-2) : For English Medium Students PDF Book


Name of Book :  NCERT Physics Class-12(Part-2)

Language of Book : English

Size of Ebook : 4.88 MB

Total pages in ebook : 254

Ebook Downloading Status  : Best 
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Description about eBook : Newton’s fundamental contributions to mathematics, mechanics, and gravitation often blind us to his deep experimental and theoretical study of light. He made pioneering contributions in the field of optics. He further developed the corpuscular model of light proposed by Descartes. It presumes that light energy is concentrated in tiny particles called corpuscles.
He further assumed that corpuscles of light were mass less elastic particles. With his understanding of mechanics, he could come up with a simple model of reflection and refraction. It is a common observation that a ball bouncing from a smooth plane surface
obeys the laws of reflection. When this is an elastic collision, the magnitude of the velocity remains the same. As the surface is smooth, there is no force acting parallel to the surface, so the component of momentum in this direction also remains the same. Only the component perpendicular to the surface, i.e., the normal component of the momentum, gets reversed in reflection. Newton argued that smooth surfaces like mirrors reflect the corpuscles in a
similar manner............

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