Concept explainers
(a)
To find: The thickness of aluminum shielding that reduces the intensity of
(a)
Answer to Problem 74E
The thickness of aluminum shielding is
Explanation of Solution
Given information: The given equation is
Calculation: Since
Hence,
For aluminum,
(b)
To find: The thickness of copper shielding that reduces the intensity of
(b)
Answer to Problem 74E
The thickness of copper shielding is
Explanation of Solution
Given information: The given equation is
Calculation: Since
Hence,
For copper,
(c)
To find: The thickness of lead shielding that reduces the intensity of
(c)
Answer to Problem 74E
The thickness of lead shielding is
Explanation of Solution
Given information: The given equation is
Calculation: Since
Hence,
For lead,
(d)
To explain: The reason why lead is better material than aluminum or copper.
(d)
Explanation of Solution
Given information: Dentist use a lead apron before taking X-rays of your teeth.
Lead is the best material to protect the harmful X-rays because its shielding capacity is the best of the three materials. It reduces the intensity of the X-rays when it is transmitted through it. It requires less thickness than other materials, so doctors use it as a protector.
Chapter 6 Solutions
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