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A parallel beam of light falls on a converging lens. Which diagram shows what happens to the beam of light? |
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Answer» Explanation: the rays all CONVERGE at FOCUS , i.e, at 20cm from lens (10CM from screen) now the length of side be s RATIO of sides =ratio of distance of focus from lens to the distance of focus from screen s 1
= 10 20
s=0.5cm, and the image is inverted, hence option D is correct |
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