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8th Class Science Light Question Bank Light Formative Subjective Problems

  • question_answer
    When a light ray is incident normally on the surface of a plane mirror, the reflected ray deviates through an angle of _______.

    Answer:

    Normal incidence\[\Rightarrow \]Angle of incidence\[={{0}^{0}};\] Angle of deviation,\[d=?\] We know that, \[d=180-2i=180-0={{180}^{0}}\]


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