Light Reflection and Refraction
Light Reflection and Refraction > Ask Alfie
Hi
What happens to the image formation, when the object is kept between pole and infinity of convex mirror?
Characteristics of image formed When the object is placed anywhere between pole and infinity of convex mirror
If the object is placed anywhere between the pole and infinity, a ray of light AD starting from point A of the object which run parallel to the principal axis gets reflected along DX. On producing back, DX appears to come from F. another ray ARE from point A of the object which go towards the centre of curvature is reflected back along EA. These two reflected rays i.e. DX and EA are diverging rays and appears to intersect each other at point A’ when produced back. So in this case the image is formed behind the mirror, between the pole and the principal focus, which is diminished, virtual and erect. Image: Ray diagram of image formed When the object is placed anywhere between pole and infinity of convex mirror.
If the object is placed anywhere between the pole and infinity, a ray of light AD starting from point A of the object which run parallel to the principal axis gets reflected along DX. On producing back, DX appears to come from F. another ray ARE from point A of the object which go towards the centre of curvature is reflected back along EA. These two reflected rays i.e. DX and EA are diverging rays and appears to intersect each other at point A’ when produced back. So in this case the image is formed behind the mirror, between the pole and the principal focus, which is diminished, virtual and erect. Image: Ray diagram of image formed When the object is placed anywhere between pole and infinity of convex mirror.
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Which kind of mirror always form virtual image?
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