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2. Double-slit pattern A screen is placed a distance R= 10m away from a 2-slit setup. The distance between slits is d = 0.1mm. A laser beam is incident on the slits from the left, as shown. The intensity of the central maximum is I=1 W/m² Point P, located 180 mm above the central maximum, marks the location in the interference pattern of the third bright fringe. (a) [2 points] Calculate the wavelength of the laser. If we instead look at a point Q on the screen 140 mm from the central max: (b) [3 points] Determine the path difference between both rays at point Q. Do the waves interfere constructively, destructively or neither at point Q?

2. Double-slit pattern A screen is placed a distance R= 10m away from a 2-slit setup. The distance between slits is d = 0.1mm. A laser beam is incident on the slits from the left, as shown. The intensity of the central maximum is I=1 W/m² Point P, located 180 mm above the central maximum, marks the location in the interference pattern of the third bright fringe. (a) [2 points] Calculate the wavelength of the laser. If we instead look at a point Q on the screen 140 mm from the central max: (b) [3 points] Determine the path difference between both rays at point Q. Do the waves interfere constructively, destructively or neither at point Q?

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2. Double-slit pattern A screen is placed a distance R = 10m away from a 2-slit setup. The distance between slits is d = 0.1mm. A laser beam is incident on the slits from the left, as shown. The intensity of the central maximum is I=1 W/m² Point P, located 180 mm above the central maximum, marks the location in the interference pattern of the third bright fringe. (a) [2 points] Calculate the wavelength of the laser. If we instead look at a point Q on the screen 140 mm from the central max: (b) [3 points] Determine the path difference between both rays at point Q. Do the waves interfere constructively, destructively or neither at point Q? 9:08 AM 4/30/2021
Transcribed Image Text:2. Double-slit pattern A screen is placed a distance R = 10m away from a 2-slit setup. The distance between slits is d = 0.1mm. A laser beam is incident on the slits from the left, as shown. The intensity of the central maximum is I=1 W/m² Point P, located 180 mm above the central maximum, marks the location in the interference pattern of the third bright fringe. (a) [2 points] Calculate the wavelength of the laser. If we instead look at a point Q on the screen 140 mm from the central max: (b) [3 points] Determine the path difference between both rays at point Q. Do the waves interfere constructively, destructively or neither at point Q? 9:08 AM 4/30/2021
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