EBK PHYSICS FOR SCIENTISTS AND ENGINEER
9th Edition
ISBN: 8220100581557
Author: Jewett
Publisher: Cengage Learning US
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Question
Chapter 1, Problem 1.30P
(a)
To determine
The diameter of nucleus in millimeters.
(b)
To determine
The ratio of the volume of hydrogen atom to the volume of its nucleus.
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A hydrogen atom has a diameter of 1.06 X 10-10 m . The nucleous of the hydrogen atom has a diameter of approximately 2.40 x 10-15 m .
(a) For a scale model, represent the diameter of the hydrogen atom by the playing length of an American football field (100 yards= 300 ft) and determine the diameter of the nucleus in millimeters. (b) Find the ratio of the volume of the hydrogen atom to the volume of its nucleus.
Nuclear Physics - Nuclear Structure
Density=
Nuclear Structure
Z
mass
Volume
radius
r=r04¹/3
ro=1.2x10-¹5 m
N
A = Z+N
4
The radius r of a nucleus is given in the above figure. The volume of a nucleus is V =
Proton
56 Fe nucleus has a total of 56 nucleons (protons + neutrons). The average mass of a nucleon is u = 1.66x10^-27 kg
I whin ber
Neutron
A
Z
If this unknown nucleus has 60 neutrons, how many protons does it have?
Enter a number
rr³
(a)Calculate the radius of a 56 Fe nucleus. Write the radius in fm, 1 fm = 10-15 m. Keep 2 decimal places.
Enter a number
x10-¹5m, fm
(b) Calculate the Denisity of a 56Fe nucleus.. Write the result in terms of 1017 kg/m³. Keep 2 decimal places.
Enter a number
x10¹7kg/m³
()
(c) An unknown hacieus has twice the volume of 56Fe. What is the mass number A of this nucleus?
Enter a number
i
(Unit conversion)A hydrogen atom has a diameter of 1.06 × 10-10 m. The nucleus of the hydrogen
atom has a diameter of approximately 2.40 × 10-¹5 m. (a) For a scale model, represent the diameter
of the hydrogen atom by the playing length of an American football field (100yards 300ft) and
determine the diameter of the nucleus in millimeters. (b) Find the ratio of the volume of the hydrogen
atom to the volume of its nucleus.
=
Chapter 1 Solutions
EBK PHYSICS FOR SCIENTISTS AND ENGINEER
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