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Author Question: An optical engineer needs to ensure that the bright fringes from a double-slit are 15.7 mm apart on ... (Read 70 times)

ts19998

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on: Oct 11, 2019

Question 1

A two-slit arrangement with 60.3 μm separation between the slits is illuminated with coherent light. If a viewing screen is located 2.14 m from the slits, find the distance from the first dark fringe on one side of the central maximum to the second dark fringe on the other side.
◦ 24.6 mm
◦ 34.9 mm
◦ 69.7 mm
◦ 52.3 mm

Question 2

An optical engineer needs to ensure that the bright fringes from a double-slit are 15.7 mm apart on a detector that is from the slits. If the slits are illuminated with coherent light of wavelength 633 nm, how far apart should the slits be?
◦ 79.5 μm
◦ 63.0 μm
◦ 74.0 μm
◦ 68.5 μm
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Marked as best answer by ts19998 on Oct 11, 2019

peter

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Reply #1 on: Oct 11, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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ts19998

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Reply #2 on: Oct 11, 2019
Thanks


peter

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Reply #3 on: Oct 11, 2019
Welcome :)


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