The deflection of a DArsonval galvanometer is measured through a mirro – McqOptions

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

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