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After World War II, scientists began searching for optical instruments that used alternatives to glass lenses, such as radio waves
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∙ 13y ago
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What replaced glass in lense design?
Plastic materials, such as polycarbonate and CR-39, have replaced glass in some lens designs due to being lighter, more impact-resistant, and more affordable. These materials can still provide excellent optical quality for eyeglass lenses.
How is a lens different from a piece of glass?
Nothing but shape. A lens is just a curved piece of glass, as well as glass being a straight lens. A lens bends the light while glass does not*. *Assuming the glass is straight
Which are a characteristic of the lens?
A glass lens can be concave or convex. This shape is what gives glass the properties of a lens by bending the light.
What is the name for the glass in a magnifying glass?
a lens..a converging lens to be exact
What lens is used in magnifying glass?
a glass one
Which lens is used in a magnifying glass?
it is used in a concave lens
What kind of lens is used in a magnifying glass?
Fresnel lens
What is a curved piece of glass that bends light?
A lens
Will the focal length of glass lens change when dipped in liquid of refractive index equal to glass?
Everything a lens does is the result of the change of refractive index at its surface.If the lens is surrounded by a medium with the same refractive index as the glass,then there is no refraction (bending) of light at the glass surface, and the lens is nolonger a lens. If you could find such a liquid, you might not even be able to see thatthere's a lens down there in it.
How does a lens magnifies an object?
A magnifying glass is a convex lens. A convex lens is a type of spherical lens. That means that the magnifying glass consists of two sides of glass and that it is thicker in the middle than the outer edges. The thickness is because the glass bows outward in the middle. The shape of the glass distorts the way we see the image on the other side.
A magnifying glass is also called what?
The answer is both convex and converging
Why is a glass cannot be use as a lens?
A "lens" is "glass". However, lens glass is quite different from a drinking glass. making a lens u must consider: magnifying power clarity color transmission These features involve: getting the geometry right minimizing imperfections making the right formula with the proper additives
