Virtual Images in front of Concave Mirror
- From: Narasimham <mathma18@xxxxxxxxxxx>
- Date: Sun, 10 Jun 2007 04:10:18 -0700
Reposted from " 3-D image in a concave bowl mirror " in this NG.
---
I noticed images of an array of lighted bulbs of a tall ceiling in a
mall (placed beyond C or 2F) reflected by a concave spherical bowl
mirror.
My actual physical visual observation or perception is that of a
virtual curved image surface of ceiling lights formed in front of the
mirror with a virtual 3-D apparition sort effect.The bowl could be
slightly toro-spherical with a sharper radius at equator/knuckle.
http://i10.tinypic.com/6fio6q1.jpg
Magnified erect virtual images are formed behind concave mirrors
normally, how can this observation then be explained?
There is a phenomenon I read earlier about, don't know its
name.Defocus the eyes and look at tip of nose and slightly narrow the
binocular angle onto (specially printed) pictures on flat paper to get
a feeling of raised up images with 3-D effect. Could it be related to
that?
Thanking again in advance and regards,
Narasimham
.
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