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

  • question_answer
    If the refractive indices of turpentine and water with respect to air are \[\text{1}\text{.8}\] and \[\text{1}\text{.3}\] respectively, then the refractive index of turpentine with respect to water will be

    A)  \[\frac{5}{3}\]                    

    B)         \[\frac{18}{13}\]

    C)  \[2.8\]                  

    D)         \[\frac{5}{4}\]

    Correct Answer: A

    Solution :

                    \[^{w}{{\mu }_{t}}=\frac{{{\mu }_{t}}}{{{\mu }_{w}}}=\frac{1\cdot 8}{1\cdot 3}=\frac{18}{13}\]


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