i) Distinguish between fringes of equal inclination and fringes of equal thickness.

Fringes of Equal Inclination vs. Fringes of Equal Thickness:

1. Fringes of Equal Inclination: Fringes of equal inclination are interference patterns that occur when light waves from a monochromatic source strike a thin wedge-shaped film. These fringes are characterized by the variation in colors due to the varying thickness of the film. The film thickness changes gradually across its surface, causing a range of colors to be observed.

2. Fringes of Equal Thickness: Fringes of equal thickness, on the other hand, result from the interference between light waves reflected from the top and bottom surfaces of a thin film ______ _______ ________ ____ ____ ___.
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