Parabolic Mirrors and Real Images
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161 videosPhysics- 7:53
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marry me? this makes so much sense now haha
MyLimitedInfinity 1 week ago
@TheDevilvivek if you imagine the mirror as a full circle, it is the centre of that circle ( - ) the - would be the centre of curvature, but all you usually see is - )
CaptainPhilbert 6 months ago
Fun fact: If you stir a liquid the surface will form into a near perfect parabola. So if you spin some mercury what you get is a parabolic mirror. This spinning mercury can be used as the main reflector on a Newtonian telescope.
It has been proposed that one of these telescope be built on the moon where there is no atmosphere to contend with. It will only ever point up but will scan the night sky with the rotation and orbit of the moon.
nikanj 7 months ago
@SweSmiile :D cute
malaikaswm 7 months ago
if real images formed by concave mirrors are located on front of the mirror, why do we see the image on the mirror itself, as if it were located behind the mirror?
TheDevilvivek 8 months ago
what is centre of curvature of mirror
TheDevilvivek 9 months ago
parabolic mi.. mirr... mirrors xD
SweSmiile 1 year ago
@dalcde Leaving aside for the moment that there are entire fields of art that use exclusively or mainly straight lines, there's no reason they can't be used as a temporary guide.
hooloovoo1st 1 year ago
@hooloovoo1st Actually no artists will ever use a straight line. It spoils drawings.
dalcde 1 year ago
@Melthornal oh! cool! i didt know it too! ))) thx you man!! I will use this in my presentation )))))
KiberMath 1 year ago