Double-Slit Interference: in a Double Slit Experiment, If the Separation

question 17

Multiple Choice

Double-slit interference: In a double slit experiment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-order and second-order bright fringes when coherent light of wavelength 600 nm illuminates the slits.

• A) 1.5 cm
• B) 3.0 cm
• C) 4.5 cm
• D) 6.0 cm
• E) 9.0 cm

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