A. wavelength
B. wave coast
C. wave trough
D. wave front
Correct Answer: Option D
D. wave front
Explanation
Wave front is a line or section taken through an advancing wave in which the particles are in phase.
A. wavelength
B. wave coast
C. wave trough
D. wave front
Correct Answer: Option D
D. wave front
Explanation
Wave front is a line or section taken through an advancing wave in which the particles are in phase.
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