List four charactersticks of the image formed by a convex lenses when an object is placed between optical centre and principal focus .size of the image of an object formed by a concave lenses of focal length 20cm is observed to be reduced to 1/3 of it a size find the distance of the object from the lense.
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four characteristics of image -
- four characteristics of image -image is virtual.
- four characteristics of image -image is virtual.image is magnified.
- four characteristics of image -image is virtual.image is magnified.image is erect.
- four characteristics of image -image is virtual.image is magnified.image is erect.size of the image is larger than the object.
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