H2P-230
Conditions for interference
H2 Physics · JC 1 · Medium · Conditions for interference
Water waves of wavelength 4.0 m strike a straight wall. The wavefronts make an angle of 30° with the wall. Two points on the wall are 6.0 m apart. What is the phase difference between the waves at these two points?
- 1.5π
- 0.5π
- π
- 2.5π
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