Unit: Waves
Year: 1992 Question#: 36
Question: Which point on the wave diagram below is in phase with point A?
(1 ) E
(2 ) B
(3 ) C
(4 ) D
What is this question really asking?
Explanation by:JOHN L
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Answer 1
E
INCORRECT
Because E is already coming down. return to top
Answer 2
B
INCORRECT
B Is coming down. return to top
Answer 3
C
INCORRECT
C is in the trough return to top
Answer 4
D
CORRECT
D is in perfect phase with A. To be in phase two points must have the same displacement from the equilibrium position and both be moving in the same direction. return to top
What's this question really asking?
What does in phase mean? return to top
