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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2009

  • 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 :

                    As\[\frac{360{}^\circ }{\theta }=\frac{360{}^\circ }{60{}^\circ }=6\]Which is even \[\therefore \]  \[n=\frac{360{}^\circ }{\theta }-1=6-1=5\]


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