(a) What is the spacing of the dark fringes in an interference pattern reflected from an air wedge between two microscope slides 10 cm long, separated at one end by a paper of thickness 0.10 mm, illuminated with red light of wavelength 660 nm? (b) How would the spacing change if the wedge were filled with water (refractive index = 1.33)?

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a To find the spacing of the dark fringes in an interference pattern reflected from an air wedge we can use the concept of thin film interference In a ... View the full answer