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pyroknife
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I was wondering if for real images, do the objects and image always end up on the same side of a mirror/lens?
Optics is the branch of physics that studies the behavior and properties of light, including its interactions with matter and the instruments used to gather information about it.
Geometric optics deals with the behavior of light as it travels in a straight line, whereas physical optics considers the wave-like nature of light and its interactions with matter.
Refraction is the bending of light as it passes through a medium with a different optical density. This occurs due to a change in the speed of light when it enters a new medium.
A convex lens is thicker in the middle and thinner at the edges, causing light rays to converge, while a concave lens is thinner in the middle and thicker at the edges, causing light rays to diverge.
The human eye uses a combination of refraction and reflection to focus light onto the retina, where the image is then converted into electrical signals and sent to the brain for interpretation.