Elements Of Physical Chemistry
Elements Of Physical Chemistry
7th Edition
ISBN: 9780198796701
Author: ATKINS, P. W. (peter William), De Paula, Julio
Publisher: Oxford University Press
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Chapter 7, Problem 7A.7E
Interpretation Introduction

Interpretation:

The de Broglie wavelength of oneself travelling with speed of 8 km h-1 has to be calculated and also the wavelength at speed zero has to be identified.

Concept Introduction:

Louis de Broglie in 1923 rationalized that when light shows particle aspects, then particles of matter display properties of waves under definite circumstances.

λ=hmυp = mυHence λ=hp

h is Planck’s constant(6.63×10-34J.s) which relates energy and frequency.

υ is the speed of particle.

m is the mass of particle.

λ is the wavelength.

p is the momentum.

The above equation is called de Broglie relation.

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