The deflection of a DArsonval galvanometer is measured through a mirror and scale ___

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

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

Show Answer

Answer: B

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