Race from sun converge at a point 15 CM in front of a concave mirror where should an object be placed so that its image formed is equal to the size of the object
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Here in the first case its from infinity which tells us that it meets at focus which happens to be 15cm.
the size of object can only be equal to size of image if object is placed at centre of curvature.
also we know tht 2f=c
c= 2*15= 30 cm
Therefore object should be placed 30 cm in front of the concave mirror
the size of object can only be equal to size of image if object is placed at centre of curvature.
also we know tht 2f=c
c= 2*15= 30 cm
Therefore object should be placed 30 cm in front of the concave mirror
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