IB Physics Skills: Reliability Part 2

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Arts, Other, Information Technology (IT), Architecture, Physics, Science
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4th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of reliability in the context of experiments?
The degree to which a measurement or test gives consistent results each time.
The accuracy of a measurement compared to a standard value.
The ability to perform an experiment without errors.
The precision of a measurement in terms of significant figures.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do random errors affect experimental results?
They always increase the measured value.
They introduce unpredictable variations in measurements.
They cause systematic deviations from the true value.
They always decrease the measured value.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a method to reduce the impact of random errors?
Calculating the average of repeated measurements.
Using a more precise instrument.
Removing outliers from results.
Increasing the number of trials.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to exclude outliers when calculating the average of measurements?
Outliers are the most accurate measurements.
Outliers are always incorrect measurements.
Outliers can skew the average, making it unreliable.
Outliers are not affected by random errors.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of the sample exam question, why is it important to repeat the experiment with light of the same frequency?
To ensure the experiment is performed under different conditions.
To test the effect of different frequencies on the critical angle.
To maintain consistency and improve reliability.
To verify the accuracy of the results.
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