The optical path difference between the two sets of similar waves from the same source arriving at a point on the screen is 140.5 wavelengths. Is the point dark or bright? If this path difference is 0.08285 mm. Calculate the wavelength of light used.
The optical path difference between the two sets of similar waves from the same source arriving at a point on the screen is 140.5 wavelengths. Is the point dark or bright? If this path difference is 0.08285 mm. Calculate the wavelength of light used.
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Transcribed Image Text:The optical path difference between
the two sets of similar waves from the same
source arriving at a point on the screen is 140.5
wavelengths. Is the point dark or bright? If
this path difference is 0.08285 mm. Calculate
the wavelength of light used.
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