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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





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  • By: guest on 02 Jun 2017 01.01 am
    Diplacement = (1) (2θ) = 0.4 m.
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