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When an object is placed in front of a concave spherical mirror image is either virtual,  erect,large or real,inverted with different size according to position ,are usually formed.But when we look toward the concave surface of a polished spoon we observe our image as virtual,inverted,large.Why do we see such inverted ,large,virtual image?

Asked by 19th June 2015, 8:39 PM
Answered by Expert
Concave mirrors form real and inverted image when the object is placed at focus or beyond it. 
When we place the spoon in front of our eye, the distance of our face from the surface of spoon is more than focal length of the spoon.
Hence, the concave mirror should form inverted image of our face.
Now, if there is no screen in front of our spoon. We will observe tht image will form on surface of spoon but real image is not formed on mirror. This is incorrect as the retina of our eye acts as a screen. 
Hence, the image of our face is formed on the screen which makes it a real image and not a virtual image.
Answered by Expert 20th June 2015, 2:02 PM
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