Light is reflecting off a wedge-shaped thin piece of glass producing bright and dark interference fringes. If a certain location has a bright fringe, a nearby point will have a dark fringe if the thickness of the glass increases by:

a. 1/8 of a wavelength of the light.
b. 1/4 of a wavelength of the light.
c. 1/2 of a wavelength of the light.
d. one wavelength of the light.


b

Physics & Space Science

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