
MRI and Thermodynamics Concepts

Interactive Video
•
Physics, Science, Chemistry
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the coldest place on Earth as discovered by NASA?
Greenland
Siberia
Antarctica
The Arctic
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the Third Law of Thermodynamics, what is the entropy of a perfect crystal at absolute zero?
Zero
Infinite
Negative
One
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Kelvin equivalent of absolute zero in Celsius?
0°C
100°C
273.15°C
-273.15°C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many possible microstates exist for a system with three atoms in three energy levels?
10
6
3
9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the atoms in a system when absolute zero is reached?
They gain energy
They become perfectly still
They move faster
They disappear
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a unique feature of negative temperatures in the context of MRI?
They are used to polarize samples
They are irrelevant to MRI
They occur naturally
They are colder than absolute zero
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In MRI, what property of hydrogen atoms is detected?
Weight
Color
Size
Nuclear spin
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