Respuesta :
The property of light that is used in Lenses such as those in microscopes and telescopes is refraction.
What is refraction?
The refraction can be defined as the change in the direction of a ray(or wave) of light due to a change in its speed when passes through a medium because the density of the medium is known as the refraction.
Lenses in microscopes and telescopes are converging lenses, that is magnifying lenses. This kind of lens has a short focal length.
The converging lens is also known as the convex lens. A double convex lens is used in microscope and telescope which focuses the diverging of the blurred rays from a distant object by refracting(or bending) the rays twice. At the front end of the lens, the rays are bent towards the normal(the perpendicular to the surface), this happens because of the density of the glass which is more than the air, while at the back end(another half of the glass) the rays are bent away from the normal as the rays pass into the less dense medium, therefore, the air.
Hence, the property of light that is used in Lenses such as those in microscopes and telescopes is refraction.
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