4/29/2019

Curved lenses and mirrors

This is exercise for curved lenses and mirrors.

Convex lens

In this exercise you can adjust focal length of the lens and the refractive index of material.


<Show embed code>
<iframe fullscreen="" height="450px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/kacggpzt/width/700/height/450/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="700px"> </iframe>


Concave lens

In here you can adjust focal length but also the wavelength of incoming light (that slightly changes the focal length also...). Note also, that in this app the rays refract at the interface of materials, not in the center of lens as it is usually drawn...


<Show embed code>
<iframe fullscreen="" height="450px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/f7xbh3cc/width/700/height/450/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="700px"> </iframe>


Concave mirror

In this exercise you need to draw rays of light using geogebra command 'ray':
puolisuora(A,F)
puolisuora(A,f)
jne...('ray' is 'puolisuora' in finnish...)
At the end you can change focal length of mirror using slider. See what happens...


<Show embed code>
<iframe fullscreen="" height="450px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/hddn4fc3/width/700/height/450/border/000000/rc/false/ai/true/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="700px"> </iframe>


Convex mirror

In convex mirror the ray of light reflects. You can change the location of ray and focal lenght of the mirror.


<Show embed code>
<iframe fullscreen="" height="450px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/dfaqxt77/width/700/height/450/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="700px"> </iframe>


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