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  5. Light - Reflection and Refraction

10th Class Science Light - Reflection and Refraction Question Bank Light

  • question_answer
    A concave mirror of focal length fin air is used in a medium of refractive index 2. What will be the focal length of the mirror in the medium?

    A)  \[4f\]                                   

    B)  \[2f\]

    C)  \[f\text{/}2\]                   

    D)         None of the above  

    Correct Answer: D

    Solution :

     Focal length of a mirror depends only on radius of curvature.


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