Lenses Science Project Idea

Science project idea on how a lens makes objects appear larger.

Lenses Science Project Idea

How a lens makes objects appear larger.The action of a reading glass or a .simple lens is illustrated by the following figure.

It will be noticed that the rays of light come to the eye at the same angle as though they came from a much larger object, and the brain thus interprets the image formed on the retina.

In the case of the compound microscope, the rays of light before reaching the eye become crossed, and also enter the eye at a much wider angle; hence, the object is highly magnified .and appears upside down.All instruments such as the telescope, opera glasses, and projection lanterns, which are used to give us a magnified appearance of an object, depend on lenses which cause the light coming from that object to enter the eye at a much wider angle than if the light came directly from it.The brain, in every case, interprets the image on the retina as though these wide angled rays were coming directly from the object.

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