JEE Main & Advanced Physics Ray Optics Question Bank Spherical Mirror

  • question_answer An object \[5cm\] tall is placed \[1m\] from a concave spherical mirror which has a radius of curvature of \[20cm\] The size of the image is                                                             [MP PET 1993]

    A)            \[0.11cm\]                            

    B)            \[0.50cm\]

    C)            \[0.55cm\]                            

    D)            \[0.60cm\]

    Correct Answer: C

    Solution :

               \[\frac{I}{O}=\frac{f}{(f-u)}\Rightarrow \frac{I}{+5}=\frac{-10}{-10-(-100)}\Rightarrow I=0.55\ cm\]


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