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# What is a Slit of Width A Illuminated by White Light?

Have you ever experimented with light and its properties? White light is composed of different colors, and can be split apart using a device called a diffraction grating. Diffraction gratings are devices that separate white light into its component colors, each of which is known as a spectral color.

When white light is passed through a slit of width A, the slit acts as a diffraction grating and splits the light into the various spectral colors. This phenomenon is known as diffraction, and the various spectral colors that are split apart are known as diffracted waves.

## How Does Diffraction Work?

When white light is passed through a slit of width A, the light is diffracted and the various spectral colors are then separated. This is due to the fact that the light is bent as it passes through the slit. The amount of bending that occurs is determined by the width of the slit, as well as the wavelength of the light.

When the light is bent, the various spectral colors of the light are separated, forming a spectrum. This is why when white light is passed through a slit of width A, the various spectral colors can be seen.

## Uses of a Diffraction Grating

A diffraction grating is a useful tool for experiments involving light. It can be used to measure the wavelength of different colors of light, as well as to determine the intensity of the light. It can also be used to identify the spectral lines of different elements, as well as to study the properties of polarized light.

### Conclusion

A slit of width A is a useful tool for studying the properties of light. When white light is passed through a slit of width A, the light is diffracted and the various spectral colors are separated. This phenomenon is known as diffraction, and it can be used to measure the wavelength of different colors of light, as well as to identify the spectral lines of different elements.