H2P-618
Conditions for interference
H2 Physics · JC 2 · Medium · Conditions for interference
Two coherent sound sources emit waves of the same frequency in phase. At a point where the path difference is half a wavelength, the intensity from source A alone is 16 units and from source B alone is 4 units. What is the resultant intensity at this point?
- 4 units
- 0 units
- 12 units
- 20 units
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