The human eye has a lot in common with a pinhole camera, being essentially a small box with a hole in the front (the pupil) and a detector at the back (the retina). The distance from the pupil to the retina is approximately 24 mm.Suppose you look at a 190-cm-tall friend who is standing 9.8 mm in front of you. Assuming your eye functions like a pinhole camera, what will be the height, in mm, of your friend’s image on your retina?
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Angle of Refraction
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Index of Refraction of Diamond
Diamond, the world’s hardest naturally occurring material and mineral known, is a solid form of the element carbon. The atoms are arranged in a crystal structure called diamond cubic. They exist in a huge variety of colours. Also, they are one of the best conductors of heat and have a very high melting point.
The human eye has a lot in common with a pinhole camera, being essentially a small box with a hole in the front (the pupil) and a detector at the back (the retina). The distance from the pupil to the retina is approximately 24 mm.Suppose you look at a 190-cm-tall friend who is standing 9.8 mm in front of you. Assuming your eye functions like a pinhole camera, what will be the height, in mm, of your friend’s image on your retina?
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