Kindly answer question a & b (a)Max Planck proposed two postulates to explain the behaviour of the black-body radiation. Explain why the two postulates were said to contradictclassical physics principles.(b)Louise de Broglie argued that if light (considered as waves in classicalphysics) has both wave- and particle-like properties, then a particle shouldalso have wave-like properties. Determine the wavelength of the radiationgenerated by an electron moving at 10 m s-1.

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Answered: (a) Max Planck proposed two postulates…

(a) Max Planck proposed two postulates to explain the behaviour of the black- body radiation. Explain why the two postulates were said to contradict classical physics principles.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter5: Electron Configurations And The Periodic Table

Section: Chapter Questions

Problem 5.ACP

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Concept explainers

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.

Question

Kindly answer question a & b

(a)
Max Planck proposed two postulates to explain the behaviour of the black-
body radiation. Explain why the two postulates were said to contradict
classical physics principles.
(b)
Louise de Broglie argued that if light (considered as waves in classical
physics) has both wave- and particle-like properties, then a particle should
also have wave-like properties. Determine the wavelength of the radiation
generated by an electron moving at 10 m s-1.

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