A Two-Slit Arrangement with 60 $\text { 491.0 nm }$ Coherent Light

question 31

Multiple Choice

A two-slit arrangement with 60.3 μm separation between the slits is illuminated with $\text { 491.0 nm }$ 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.

• A)52.3 mm
• B)34.9 mm
• C)69.7 mm
• D)24.6 mm

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