Multiple Choice
Two beams of coherent light travel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two beams must
A) arrive 180° out of phase.
B) arrive 90° out of phase.
C) travel paths that differ by an odd number of half-wavelengths.
D) travel paths that differ by a whole number of wavelengths.
Correct Answer:
Verified
Correct Answer:
Verified
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