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8th Class Science Light Question Bank Light Formative Objective Problems

  • question_answer
    A ray of light incident on a refracting surface. If the angle of incidence \[{{60}^{o}}\] and the angle of refraction is \[{{45}^{o}}\], then angle of deviation is

    A)  \[{{30}^{o}}\]                                   

    B)  \[{{90}^{o}}\]    

    C)  \[{{15}^{o}}\]                   

    D)  \[{{0}^{o}}\]

    Correct Answer: C

    Solution :

      \[d=i-r;\text{ }d={{15}^{o}}\]     


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