Draw a ray diagram to show the formation of the image of an object placed beyond the centre of curvature of a concave mirror. State the position, size and nature of the image.
OBJECT PLACED BEYOND C: Image is formed :
A real, inverted and smaller image is formed between the centre of curvature and focusPosition: between C and F.
Size smaller than an object.
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Page 2
Draw a ray diagram to show the formation of image of an object placed at the centre of curvature of a concave mirror. State the position, size and nature of the image.
Object placed at C :
A real, inverted image of the same size is formed at the centre of curvatureImage formedA ‘B’ is at C the centre of curvature.Size is equal to the size of object AB.
It is inverted and real.
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Page 3
Draw a ray diagram to show the formation of image of an object placed between the focus and centre of curvature of a concave mirror. State the position, size and nature of the image.
OBJECT PLACED BETWEEN C and F :
A real, inverted and magnified image is formed beyond the centre of curvatureThe image formed A’B’ is beyond C ← positionEnlarged ← size
inverted and real ← nature
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Page 4
Draw a ray diagram to show the formation of image of an object placed between the pole and focus of a concave mirror. State the position, size and nature of the image.
OBJECT LIES BETWEEN FOCUS AND POLE :
A virtual erect and bigger image is formed behind the mirrorImage formed A’B’ is on the other side of the mirror on producing ← positionEnlarged (magnified) ← size
Virtual and erect ← nature
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Draw a ray diagram to show the formation of image of an object placed beyond the centre of curvature of a concave mirror. State the position, size and nature of the image.
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