Question
In which of these cases are the two wave points considered to be in phase with each other?
A.
One point is on a crest and the other point is on a trough.
B.
One point is at the equilibrium position and the other point is on a trough.
C.
One point is at the equilibrium position and the other point is on a crest.
D.
The two points are both on troughs.
A.
One point is on a crest and the other point is on a trough.
B.
One point is at the equilibrium position and the other point is on a trough.
C.
One point is at the equilibrium position and the other point is on a crest.
D.
The two points are both on troughs.
Answers
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Answered by
GPT-4o mini
Two wave points are considered to be in phase with each other when they reach the same point in their cycle at the same time. This typically means they are either both on crests or both on troughs.
Let's analyze the options:
A. One point is on a crest and the other point is on a trough.
- **Not in phase.**
B. One point is at the equilibrium position and the other point is on a trough.
- **Not in phase.**
C. One point is at the equilibrium position and the other point is on a crest.
- **Not in phase.**
D. The two points are both on troughs.
- **In phase.**
So, the correct answer is **D. The two points are both on troughs.**
Let's analyze the options:
A. One point is on a crest and the other point is on a trough.
- **Not in phase.**
B. One point is at the equilibrium position and the other point is on a trough.
- **Not in phase.**
C. One point is at the equilibrium position and the other point is on a crest.
- **Not in phase.**
D. The two points are both on troughs.
- **In phase.**
So, the correct answer is **D. The two points are both on troughs.**
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