A vernier caliper has mm divisions on the main scale and 9main scale divisions are divided into 10 vernier scale divisions. While measuring the diameter of a cylinder main scale reading is 7 and the vernier coincidence is 5 . Find the least count and the length of the cylinder?
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The smallest division on main scale of a Vernier calipers is 1mm and 10 Vernier scale division coincide with 9 main scale divisions. While measuring the length of a line, the zero mark of the Vernier scale lies between 10 . 2cm and 10 . 3cm and the third division of Vernier scale coincide with a main scale division.
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