The diagram shows a stationary wave on a string at one instant in time - AQA - A-Level Physics - Question 18 - 2021 - Paper 1
Question 18
The diagram shows a stationary wave on a string at one instant in time. P, Q and R are three points on the string.
Which row is correct?
Worked Solution & Example Answer:The diagram shows a stationary wave on a string at one instant in time - AQA - A-Level Physics - Question 18 - 2021 - Paper 1
Step 1
P is in antiphase with R
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Answer
In a stationary wave, points that are in antiphase will oscillate in opposite directions. Therefore, point P is indeed in antiphase with point R.
Step 2
P has the same amplitude as Q
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Answer
Both P and Q are at corresponding positions in the wave pattern, indicating they will have the same amplitude since amplitude refers to the maximum displacement from the rest position.
