Physics
NULL
Medium
Question
Two coherent sources of light produce interference (destructive) when the phase difference between them is _________?
A
π
✓ Official correct answer
B
2π
C
π/2
D
π/4
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A
π
No member explanations yet for this option.
B
2π
No member explanations yet for this option.
C
π/2
No member explanations yet for this option.
D
π/4
No member explanations yet for this option.
Explanation
Destructive interference between two coherent sources occurs when their phase difference is an odd multiple of pi (the basic case being a phase difference of pi itself), causing the waves to cancel.
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