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A figure separated into squares, each of size 1 mm2 is being viewed at a distance of 9cm by a magnifying lens of local length 10cm, held close to the eye.
(i) Illustrate a ray diagram showing the formation of the image.
(ii) What is the magnification formed by the lens? How much is the area of each square in the virtual image?
(iii) What is the angular magnification of the lens?
Cosmic censorship conjecture (R. Penrose, 1979) The conjecture, so far completely undemonstrated in the context of general relativity, that all singularities (along the possib
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When the wavelength of wave remains unchanged, the scattering is known as elastic.
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