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Light Reflection and Refraction
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01/12/2020 5:12 pm
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Draw the ray diagram in each case to show the position and nature of the image formed when the object is placed:
(i) at the centre of curvature of a concave mirror
(ii) between the pole P and focus F of a concave mirror
(iii) in front of a convex mirror
(iv) at 2F of a convex lens
(v) in front of a concave lens
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01/12/2020 5:13 pm
(i) at the centre of curvature of a concave mirror
Nature of image: Real, inverted and same size image is formed at the centre of curvature.
(ii) between the pole P and focus F of a concave mirror
Nature of image: Virtual, enlarged and erect image is formed behind the mirror.
(iii) in front of a convex mirror
Nature of image: Virtual, erect and diminished, image is formed behind the mirror.
(iv) at 2F of a convex lens
Nature of image: Real, inverted and size to size, image is formed at 2F on the other side of lens.
(v) in front of a concave lens
Nature of image: Virtual, erect and diminished image is formed between O and F on the same side of object.