RAJASTHAN PMT Rajasthan - PMT Solved Paper-2001

  • question_answer
    A slide projector magnified a film of \[100c{{m}^{2}}\] on a screen. If linear magnification is 4, then area of the magnified image will be:

    A)  \[1600c{{m}^{2}}\]      

    B)                         \[800c{{m}^{2}}\]

    C)  \[400c{{m}^{2}}\]           

    D)         \[200c{{m}^{2}}\]

    Correct Answer: A

    Solution :

    Area of image \[={{m}^{2}}\times \] area of object \[=16\times 100=1600\,c{{m}^{2}}\]


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