Interference is observed between two light beams with parallel electric fields. The measured intensity at a fixed point is 50 W m² with both beams interfering, 20 W m² if beam 2 is blocked before the fixed point, and 10W mi if beam 1 is blocked. Calculate the minimum phase differ- ence A between the two beams, in radians. -2

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Interference is observed between two light beams with parallel electric fields. The measured
intensity at a fixed point is 50 W m² with both beams interfering, 20 W m² if beam 2 is blocked
before the fixed point, and 10W mi if beam 1 is blocked. Calculate the minimum phase differ-
ence A between the two beams, in radians.
-2
Transcribed Image Text:Interference is observed between two light beams with parallel electric fields. The measured intensity at a fixed point is 50 W m² with both beams interfering, 20 W m² if beam 2 is blocked before the fixed point, and 10W mi if beam 1 is blocked. Calculate the minimum phase differ- ence A between the two beams, in radians. -2
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