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A flat piece of glass. Also, any lens where the shape of the convex part matches the shape of the concave part. An example would be a flat piece of glass bent over a sphere.

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Q: Which lens have zero power?
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Related questions

What is the least strongest glasses lens?

Well you can get zero power lenses. Some people who don't have eyesight problems wear zero power lenses just for fashion. Most of the demo frames at shops have zero power lenses in them.


How lens power change with curvature of lens surface?

The lens power increases as the curvature of the lens surface becomes steeper. A lens with a larger radius of curvature will have a lower power, while a lens with a smaller radius of curvature will have a higher power. This relationship is described by the lensmaker's equation, which relates the power of a lens to the refractive index of the lens material and the radii of curvature of its surfaces.


How do you calculate microscope power?

the objective lens has the power of that lens inscribed on it


If a microscope had a power of magnification of 200x what would the power of the objective lens be if the eyepiece lens is 10x?

The total magnification of a microscope is calculated by multiplying the power of the objective lens by the power of the eyepiece lens. Given a total magnification of 200x and an eyepiece lens power of 10x, the power of the objective lens would be 200x/10x = 20x.


Why is zero to the power of zero undefined?

Zero to any power is zero; any non-zero number to the power zero is one. Thus, zero to the power zero is sort of contradictory.


What is zero to the fifth power over zero to the fifth power?

Zero to the fifth power is zero. Zero divided by zero is indeterminate.


What is the equivalet of 0 exponent?

Any number except zero, raised to the power zero, equals 1. Zero to the power zero is not defined.Any number except zero, raised to the power zero, equals 1. Zero to the power zero is not defined.Any number except zero, raised to the power zero, equals 1. Zero to the power zero is not defined.Any number except zero, raised to the power zero, equals 1. Zero to the power zero is not defined.


How power of a lens and thickness of a lens are related?

The power of a lens is inversely proportional to its thickness. Thicker lenses have a higher power, while thinner lenses have a lower power. This relationship is determined by the curvature of the lens surfaces and the material it is made of.


What is low power lens?

A lower power lens tells its name in the name. It is a lens in a microscope that has the lowest power, or only magnifies the object you are looking at a little.


How do you find the power of a lens?

The power of a lens is 1/focal length (measured in meters).


What is the correct microscope procedures?

Which of the following is a correct procedure for the operation of a microscope? First, put the specimen into focus using a low power lens, then switch to a lower power lens if needed.Remove and add slides while the high power lens is selected.First, put the specimen into focus using a low power lens, then switch to a higher power lens if needed.Use the fine focus knob with the low power lens and use the coarse focus knob with the high power lens


What is a objective lens?

low power objective lens