A Young's Interference Experiment Is Conducted with Blue-Green Argon Laser

question 68

Multiple Choice

A Young's interference experiment is conducted with blue-green argon laser light (l = 515 nm) .The separation between the slits is 0.50 mm,and the interference pattern appears on a screen 3.3 m away.What is the spacing between the bright fringes? (1 nm = 10^-9 m)

• A)1.7 mm
• B)3.4 mm
• C)5.1 mm
• D)6.8 mm

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