No chatgpt pls will upvote 1) Express the allowed energy levels of a particle in a 1-dimensional box with sides of infinitepotential, when the width of the box isa) roughly the width of a hydrogen atom, 1 angstrom, orb) roughly the length of the DNA in a single chromosome (if it were unfolded from itsusual shape and stretched into a very fragile threadlike molecule), 2 cm.

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Answered: 1) Express the allowed energy levels of…

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter7: Quantum Mechanics

Section: Chapter Questions

Problem 7.4CYU: Check Your Understanding A sodium atom nukes a transition from the first excited state the wound...

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Give an example of a physical entity that is quantized. State specifically what the entity is and what the limits are on its values.
(a) What is the uncertainty in the energy released in the decay of a due to its short lifetime? (b) What traction of the decay energy is this, noting that the decay mode is (so that all the mass is destroyed)?
Is it possible to measure energy of 0.75h for a quantum harmonic oscillator? Why? Why not? Explain.
Discuss the main difference between an SEM and a TEM.
In an the maximum photon energy E given by hf=qV. Would it be technically more correct to say hf=qV+BE, where BE is the binding energy of electrons in the target anode? Why isn’t the energy stated the latter way?
(a) Use the Heisenberg uncertainty principle to calculate the uncertainty in energy for a corresponding time interval of (b) Compare this energy with the unificationofforces energy and discuss why they are similar.
If the uncertainty in the y -component of a proton's position is 2.0 pm, find the minimum uncertainty in the simultaneous measurement of the proton's y -component of velocity. What is the minimum uncertainty in the simultaneous measurement of the proton's x -component of velocity?
Check Your Understanding Suppose that the diameter of the aperture in Example 6.16 is halved. How does it affect the resolving power?
Check your Understanding (a) Consider an infinite square well with wall boundaries x=0 and x=L. What is the of finding a quantum panicle in its state somewhere between x=0 and x=L/4? (b) Repeat question (a) for a classical panicle.
Suppose an electron confined to a emits photons. The longest wavelength that is registered is 500.0 nm. What is the width of the box?
(a) The lifetime of a highly unstable nucleus is 10-20. What is the smallest uncertainty in its decay energy? (b) Compare this with the rest energy of an electron.
Check Your Understanding Can the magnitude of Lzever be equal to L?

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