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[object Object],[object Object]

RECAP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

OBJECTIVES ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

QUANTUM THEORY OF RADIATION In 1901 Max Plank proposed Quantum theory of Radiation from hot (black) body studies. A hot body radiates (emits) energy not in continuous waves but in small units of waves. When atoms or molecules absorb or emit radiant energy in quanta (a small packet of energy) or photons.

RUTHERFORD’S MODEL OF ATOM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BOHR’S ATOMIC THEORY ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],BOHR’S ATOMIC THEORY

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],Centrifugal Fig 1.2 forces acting on orbit electron Orbit electron Bohr’s circular orbit

LIMITATIONS OF BOHR’S ATOMIC THEORY: ,[object Object],[object Object],[object Object]

SUMMARY ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

QUIZ ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

Frequently Asked Questions ,[object Object],CER4209.2

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