Why We'll Never Build a Perfect Clock
Interactive Video
•
Science, Physics
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one of the big unsolved problems in physics related to time?
The nature of black holes
The expansion of the universe
The forward march of time
The speed of light
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the second law of thermodynamics, what happens when you try to make a part of the universe more orderly?
Entropy decreases everywhere
Entropy remains constant
Entropy increases somewhere else
Entropy decreases somewhere else
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of an oscillator in a clock?
To increase the clock's size
To provide a predictable ticking
To measure temperature changes
To decrease the clock's accuracy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a clock's accuracy defined in the context of entropy?
By the material used in the clock
By the size of the clock
By the number of ticks it takes to be off by one second
By the color of the clock
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did the UK and Austrian researchers discover about clock accuracy and entropy?
Entropy decreases with time
Accuracy and entropy are unrelated
Higher accuracy means higher entropy
Higher accuracy means lower entropy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the trade-off between accuracy and resolution in clocks?
Higher accuracy allows for higher resolution
Higher resolution allows for higher accuracy
Higher accuracy reduces resolution
Resolution and accuracy are independent
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the resolution of a clock?
The color of the clock
The smallest time step it can measure
The size of the clock
The material of the clock
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