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How can you make convex mirror

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How can you make convex mirror
  • 1 answers

Meghna Thapar 5 years, 6 months ago

The easiest way to make a convex/concave mirror is to take a spoon. The inner part (where you put soup in) it's a concave mirror, the outer part is convex.  Take a spoon and flip it so that you see you reflection from the outer side of the spoon. 

Now move your finger near to the spoon, you’ll see the image of the finger in the spoon always smaller than the real dimensions.

Now flip the spoon and take the inner surface, and repeat your “experiment”. Now you’ll see the image gettin bigger while you move the finger near to the spoon. Then, at a certain distance. the image will be spread to the whole surface. Moving it further the image would flip upside-down, and start to get smaller.

That’s basic optical physics, done with a spoon.

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