Answered: Why is the amplitude of the bound end…

Why is the amplitude of the bound end stationary wave (fixed) 2A sin kx? And Why is the free end stationary wave amplitude 2A cos kx?

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter7: Tunneling Phenomena

Section: Chapter Questions

Problem 2P

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Concept explainers

Debye Theory of Solids

In solid-state physics, debye theory is used to estimate the phonons contributing to the specific heat capacity in a solid. It explains that the specific heat is a consequence of the vibrations of the atomic lattice of the solid, which is in contrast to the Einstein model. In the Einstein model, solids are treated as independent, non-interacting quantum harmonic oscillators. This model clearly explains the low-temperature dependence of the heat capacity, which is proportional to T3. This is known as Debye T3 law.

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Why is the amplitude of the bound end
stationary wave (fixed) 2A sin kx? And.
Why is the free end stationary wave
amplitude 2A cos kx?
I need a detailed answer

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