Describe the kind of images formed by light after passing through the two slits?

Question: Describe the kind of images formed by light after passing through the two slits?

When light passes through two slits, it can create an interference pattern known as the double-slit interference pattern. This phenomenon occurs due to the wave nature of light.

The light passing through the two slits acts as a coherent wave source, and the waves from the two slits interfere with each other. This interference results in the formation of alternate bright and dark regions on a screen placed behind the slits.

Specifically, the following image pattern is observed:

1. Bright Fringes: The regions where the crests of the waves from the two slits coincide constructively, they add up and produce bright fringes or bands on the screen. These fringes correspond to the maximum intensity of light and appear as bright lines or regions.

2. Dark Fringes: The regions where the crests of one wave coincide with the troughs of the other wave, they destructively interfere and cancel out, resulting in dark fringes or bands on the screen. These fringes correspond to the minimum or zero intensity of light and appear as dark lines or regions.

The bright and dark fringes alternate, creating a pattern known as an interference pattern or diffraction pattern. The spacing between the fringes depends on the wavelength of light, the distance between the slits (known as slit separation), and the distance between the slits and the screen.

Overall, the interference pattern formed by light passing through two slits is a result of the superposition and interference of waves, leading to a pattern of alternating bright and dark fringes on the screen.

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