Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 14.2, Problem 2bT
(1)
To determine
To Predict:The I-V graph if
(2)
To determine
To Explain:The way change in frequency would effect by energy of each photon and value of potential difference at which photocurrent becomes zero.
(3)
To determine
Whether the explanation in part 2 is inconsistent with graph of part 1.
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Learning Goal:
To understand the Bohr model of the hydrogen
atom.
In 1913 Niels Bohr formulated a method of
calculating the different energy levels of the
hydrogen atom. He did this by combining both
classical and quantum ideas. In this problem, we go
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model of the atom.
Part A
Consider an electron with charge -e and mass m orbiting in a circle around a hydrogen nucleus (a
single proton) with charge +e. In the classical model, the electron orbits around the nucleus, being
held in orbit by the electromagnetic interaction between itself and the protons in the nucleus, much
like planets orbit around the sun, being held in orbit by their gravitational interaction. When the
electron is in a circular orbit, it must meet the condition for circular motion: The magnitude of the net
force toward the center, F, is equal to mv²/r. Given these two pieces of information, deduce the
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Express your…
Learning Goal:
To understand the Bohr model of the hydrogen
atom.
In 1913 Niels Bohr formulated a method of
calculating the different energy levels of the
hydrogen atom. He did this by combining both
classical and quantum ideas. In this problem, we go
through the steps needed to understand the Bohr
model of the atom.
Part A
Consider an electron with charge -e and mass m orbiting in a circle around a hydrogen nucleus (a
single proton) with charge +e. In the classical model, the electron orbits around the nucleus, being
held in orbit by the electromagnetic interaction between itself and the protons in the nucleus, much
like planets orbit around the sun, being held in orbit by their gravitational interaction. When the
electron is in a circular orbit, it must meet the condition for circular motion: The magnitude of the net
force toward the center, F, is equal to mv²/r. Given these two pieces of information, deduce the
velocity v of the electron as it orbits around the nucleus.
Express your…
A body cell of 1.0 x 10-5-m radius absorbs 3.2 x 10-14 J of X-ray
radiation. Assume the absorbed energy to be proportional to the cross-
sectional area.
Part A
If the energy needed to produce one positively charged ion is 100 eV, how many positive ions are produced in the cell? Assume that all energy absorbed by the cell goes into producing
ions.
Templates Symbols undo' rego Yeser keyboard shortcuts help
Tions in the cell =
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Part B
How many ions are formed in the 3.0 x 10-6-m-radius nucleus of that cell (the place where the genetic information is stored)? Assume that the lons are produced uniformly throughout the
cell.
Templates
Symbols undo' redo Teset keyboard shortcuts help
Tions in the wacleus=
Chapter 14 Solutions
Tutorials in Introductory Physics
Ch. 14.1 - In the magnified view of the slits, an arrow is...Ch. 14.1 - For what values of the path length difference...Ch. 14.1 - Suppose that a single change were made to the...Ch. 14.1 - Prob. 2aTCh. 14.1 - Prob. 2bTCh. 14.1 - Prob. 2cTCh. 14.1 - Use trigonometry to show that the path length...Ch. 14.1 - Prob. 3bTCh. 14.2 - How does the voltmeter reading compare to the...Ch. 14.2 - Prob. 1bT
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