In a Two-Slit Experiment, the Third Bright Fringe Away from the Central

question 13

Multiple Choice

In a two-slit experiment, the third bright fringe away from the central fringe is observed at an angle of 7.0°. If the wavelength of the light is 490 nm, what is the distance between the two slits?

• A)3.6 × 10^-5 m
• B)4.0 × 10^-6 m
• C)2.1 × 10^-6 m
• D)2.1 × 10^-5 m
• E)1.2 × 10^-5 m

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