A vernier calipers and a screw gauge have the same least count and zero error with the difference that the vernier calipers has positive zero error and the screw gauge has negative zero error. The number of circular scale divisions on the screw gauge is twice the number of vernier scale division on the vernier calipers, and the pitch of the screw gauge is 1 mm. If the vernier coinciding division and the circular scale reading for the zero error on the instruments are 3 and 97, respectively, then find the number of vernier scale divisions on the vernier calipers.
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vernier caliper. noun. A measuring instrument consisting of an L-shaped frame with a linear scale along its longer arm and an L-shaped sliding attachment with a vernier, used to read directly the dimension of an object represented by the separation between the inner or outer edges of the two shorter arms.
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