because wala lang
To see objects closer to look at it
Lenses can help people to see better. Lenses are needed in telescopes for astronomers to see distant things in the night sky.
their both lenses, and you can see through them. They also have curves.
See more closely into things or see things, like bacteria, that are invisible.
Microscopes.
The movement on the stage is opposite from the movement seen through the lenses. For example: If you move something on the stage left, what you see through the lenses is the "specimen" moving towards the right.
to look for things that you couldn't normally see, or to look at things closer
Lenses are either concave or convex. Concave lenses curve inward from both sides, and convex lenses curve outward one side and inward on the other. Concave and convex lenses change the image to be able to see from close or far distances.These are used for glasses, magnifying glasses, and telescopes.
They are not mirrors they are called lenses so we can see through them
so you can see through the bet at the same time the bock some light
You cant see through opaque things, but you can see through transparent things.
They are planos glasses I think, you can see it when you look through them.