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Discussion :: Measurements and Instrumentation

  1. The deflection of a DArsonval galvanometer is measured through a mirror and scale. The mirror is 1 m away from the light source. The mirror is mounted on, the moving system. If mirror rotates through 0.2 rad the displacement on the scale is

    2. A.
    0.2 m
    B.
    0.4 m
    C.
    0.1 m
    D.
    0.05 m

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    Answer : Option B

    Explanation :

    Diplacement = (1) (2θ) = 0.4 m.

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