What is an observer in the context of physics?
Observer

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Science, Physics
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6th - 12th Grade
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A person who watches experiments
A system that records observable properties
A tool used to measure temperature
A theoretical concept with no practical use
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common assumption about observers in physics?
They never affect the system
They sometimes affect the system
They are irrelevant to the system
They always affect the system
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the assumption that observers do not affect the system often incorrect?
Because observers are always passive
Because observers can influence the system
Because systems are always stable
Because observers are not part of the system
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In particle physics, why is it impossible to detect a particle without interaction?
Particles are too small to detect
Detection requires interaction
Particles are always in motion
Detection is not necessary
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an observer affect a particle in particle physics?
By making it disappear
By changing its color
By interacting with it
By altering its velocity
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