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CMC Medical CMC-Medical Ludhiana Solved Paper-2008

  • question_answer
    A bulb is placed between two plane mirrors inclined at an angle of \[60{}^\circ \]. The number of images formed is

    A)  5                                            

    B)  6

    C)  4                                            

    D)  3

    Correct Answer: A

    Solution :

                    \[n=\frac{360{}^\circ }{\theta }-1\] Given, \[\theta =60{}^\circ \] \[\Rightarrow \]               \[n=\frac{360{}^\circ }{60{}^\circ }-1\] \[\Rightarrow \]               \[n=6-1=5\]


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