The measurement of the clip as shown in the figure below is a. 1.8 cm b. 1.8 mm c. 18 cm d. 1.5 cm
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Length of one main scale division is 1 mm.
Number of division on vernier scale =10
Main scale reading =1.8 cm
Division of vernier coinciding =4
th
L.C= 1/10
mm=0.1 mm=0.1 cm
Length of rod = main scale reading + vernier division coinciding × L.C
=1.8+4 X 0.01
=1.84 cm
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