TS EAMCET Medical 2017 Paper
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Question : 83 of 160
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Consider two convex lenses of focal lengths T and 42P mounted at the ends of a black colored tube. The diameter of the lenses and the tube are the same. The lenses are separated by a distance equal to the sum of their focal length. If a parallel beam of light falls on the long focal length lens, filling its aperture, the output beam of light is best described as
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