Question

1. According to Planck's hypothesis, a. the energy of an incandescent body is quantized. b. the variable n can have any real number value. c. the frequency of vibration is inversely proportional to the energy. d. atoms constantly radiate electromagnetic waves when they vibrate.

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Answer 1

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-) E = hy (1 According to Plank hypothesis : The energy of an incandescent body is quantized, 1 frequency of Radiation 6. The nature of Light has both wave & particle properties. 7. The wave nature of everyday objects observe because the Heisenberg uncertainity principle prevents measurment wavelength. Ice Ax. Apx = ean't 1 if an precisely determine then momentum ie wave nature of light ean't determine. 8. According to Einstein, light & Other forms of radiation consist of discrete bundles of energy that were called later as → Photons. 11. In Compton effect increase of wavelength with scattered X-Rays means X-Ray Photons had lost energy & momentum both 12. Heisenber uncertainity Principle :> It is impossible to measure position & momentum simutaneously 13. Bohr idea : Energy Energy levels in an atom are quantized. 14. Rutherford conclusion that all of atoms positive charge & virtually all of its mass are in a tiny central lore. 15. Electrons in an atom have different quantized of energy that are called a> orbit.