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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-20

  • question_answer
    A ray passing through the centre of curvature of a concave mirror make' an angle of incidence of

    A)  \[90{}^\circ \]             

    B) \[0{}^\circ \]  

    C)  \[180{}^\circ \]

    D) \[60{}^\circ \]

    Correct Answer: B

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