Why does light of shorter wavelengths produce a clearer picture than light of longer wavelengths?

The ';clearness'; of an image is also known as its resolution. In optics, the resolution of an image is the smallest distance between two objects where the objects are still distinguishable as being separate. The smaller the resolution, the sharper the picture is.





The resolution of an image is directly proportional to the wavelength of the light making the image. That's why light microscopes are limited in their resolution: they must rely on visible light to form images, and the shortest wavelength of visible light is roughly 400 nm. Electron microscopes, on the other hand, can give much better resolution because the wavelength of an electron is many, many times shorter than the wavelength of a photon of visible light; in a scanning electron microscope, the electrons have wavelengths of about 12.3 picometers (about 1/32,500 the wavelength of the shortest visible wavelength). Obviously, these microscopes are capable of producing images in much greater detail.Why does light of shorter wavelengths produce a clearer picture than light of longer wavelengths?
It is also true that using a single color of light (one very narrow range of wavelengths) allows the light to be focussed more precisely by a lens. This is why people who take pictures thru optical microscopes sometimes will use a colored filter.





It may also have to do with the relationship between wavelength and the ability to resolve small things. When the size of the thing you are trying to focus on is about the same as the wavelength of light you are shining on it, the constructive and destructive interference starts having an impact.Why does light of shorter wavelengths produce a clearer picture than light of longer wavelengths?
Light of shorter wavelength has more energy than light of longer wavelength.