36. Why it is advised that not to see
Sun light through a magnifying glass
Answers
Answer:
because
Explanation:
they can increase the damage done to your eyes by acting as a magnifying glass for the sun's rays, speeding up the burning of your retinas.
they increase the density of the light ray.
Answer:
Explanation:
Without the glass, your eye’s lens will focus the sunlight on a tiny spot at your retina, as some have observed. This can damage the retina. The magnifying glass will change the length of focus of the combined lens (your eye’s and the glass), and the focus will no longer be on your retina. It will instead be somewhere inside your eyeball, where it will not be absorbed, but rather continue to form a diffuse spot on your retina which is not bright enough to do any damage.
Now, there is one way you can use the magnifying glass to do damage to your eye: Hold it away from your eye, at just the right distance so its focus falls on your iris. That will most likely burn an unsightly and painful hole in it. But there is no way you can damage your retina with just a magnifying glass. A telescope, on the other hand, will do just that, as the pig eye experiment someone else mentioned demonstrates. But you need two lenses to make a telescope, one will not do.
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