All SAT II Physics Resources
Example Questions
Example Question #1 : Nuclear Physics
Which material would be sufficient to stop most gamma radiation?
Possible Answers:
A sheet of paper
Several centimeters of lead
An aluminum plate
Skin
Plastic goggles
Correct answer:
Several centimeters of lead
Explanation:
Gamma radiation is high energy electromagnetic waves, and require a dense material such as lead to be blocked. 1 centimeter of lead reduces gamma radiation by 50%. Gamma rays easily pass through the other materials.
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All SAT II Physics Resources
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