Modern Physics
3rd Edition
ISBN: 9781111794378
Author: Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher: Cengage Learning
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Question
Chapter 8, Problem 2P
(a)
To determine
The values for the energy of the ground state.
(b)
To determine
The values for the energy of the first excited state of the electron.
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What is the ratio of radii of the orbits corresponding to first excited state and ground state in a hydrogen atom?
A rectangular corral of widths Lx = L and Ly = 2L holds an electron.What multiple of h2/8mL2, where m is the electron mass, gives (a) the energy of the electron’s ground state, (b) the energy of its first excited state, (c) the energy of its lowest degenerate states, and (d) the difference between the energies of its second and third excited states?
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ΔE=____ ×10^−28 J
Chapter 8 Solutions
Modern Physics
Ch. 8.1 - Prob. 1ECh. 8.1 - Prob. 2ECh. 8.3 - Prob. 3ECh. 8.5 - Prob. 4ECh. 8 - Prob. 1QCh. 8 - Prob. 2QCh. 8 - Prob. 3QCh. 8 - Prob. 4QCh. 8 - Prob. 5QCh. 8 - Prob. 6Q
Ch. 8 - Prob. 1PCh. 8 - Prob. 2PCh. 8 - Prob. 3PCh. 8 - Prob. 4PCh. 8 - Prob. 5PCh. 8 - Prob. 7PCh. 8 - Prob. 8PCh. 8 - Prob. 9PCh. 8 - Prob. 10PCh. 8 - Prob. 11PCh. 8 - Prob. 12PCh. 8 - Prob. 13PCh. 8 - Prob. 14PCh. 8 - Prob. 15PCh. 8 - Prob. 16PCh. 8 - Prob. 17PCh. 8 - Prob. 18PCh. 8 - Prob. 19PCh. 8 - Prob. 20PCh. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - Prob. 25PCh. 8 - Prob. 26PCh. 8 - Prob. 29PCh. 8 - Prob. 30PCh. 8 - Prob. 31PCh. 8 - Prob. 34P
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- If the energy of the first excited state of the electron in the box is 25.0 eV, what is the width of the box?arrow_forwardWhat is the radius of a hydrogen atom when the electron is in the first excited state?arrow_forwardWhat is the maximum kinetic energy of an electron such that a collision between the electron and a stationary hydrogen atom in its ground state is definitely elastic?arrow_forward
- An electron confined to a box has the ground state energy of 2.5 eV. What is the width of the box?arrow_forwardA proton is confined to a nucleus whose diameter is 5.5 × 10^−15 ?. If this distance is considered to be the uncertainty in the position of the proton, what is the minimum uncertainty in its momentum?arrow_forwardAn electron is confined to a region of space of length 0.19 nm— comparable in size to an atom. What are the first three allowed energies of the electron?arrow_forward
- The Bohr’s hydrogen model is based on the following postulate: mvr = nh¯, where n is a positive integer. What is the electron’s speed when it is in the SECOND excited state? What is the wavelength of the light, in nanometers, emitted by the electron when it moves from the SECOND excited state to the ground state?arrow_forwardSeven electrons are trapped in a one-dimensional infinite potential well of width L.What multiple of h2/8mL2 gives the energy of the ground state of this system? Assume that the electrons do not interact with one another, and do not neglect spin.arrow_forwardAn electron confined to a box has the ground state energy of 2.4 eV. What is the width of the box in units of nanometers?arrow_forward
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