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Answer:
Analyse the focus and centre of curvature
focus=10 cm
centre of curvature=20 cm
This is a convex lens, so it has six outcomes.
Explanation:
1. TO GET A REAL, INVERTED AND DIMINISHED IMAGE , THE OBJECT MUST BE PLACED BEYOND C
ANSWER IS 25 CM(d)
2. FOR A MAGNIFIED, REAL AND INVERTED IMAGE, OBJECT MUST BE BETWEEN CENTRE OF CURVATURE AND FOCUS
ANSWER IS 15 CM(b)
3. FOR A MAGNIFIED, VIRTUA
AND ERECT IMAGE, OBJECT MUST BE PLACED BETWEEN THE FOCUS AND THE POLE
ANSWER IS 8 CM(a)
4.FOR A THE IMAGE OF SAME SIZE OF THAT OF OBJECT THE OBJECT MUST BE PLACE AT THE CENTRE OF CURVATURE
ANSWER IS 20 CM(c)