A screw gauge has a negative error of 8 divisions. While measuring the diameter of a wire, the reading on the main scale is 3 divisions and the 24th circular scale division coincides with the base line. If the number of divisions on the main scale are 20 to a centimeter and the circular scale has 50 divisions, then the correct diameter of the wire is ? A)0.182cm B)0.166cm C)0.174 C)3.32mm .
Answers
Answer:
A screw gauge has a negative error of 8 divisions. While measuring the diameter of a wire, the reading on the main scale is 3 divisions and the 24th circular scale division coincides with the base line. If the number of divisions on the main scale are 20 to a centimeter and the circular scale has 50 divisions, then the correct diameter of the wire is ? A)0.182cm B)0.166cm C)0.174 C)3.32mm .
Explanation:
A screw gauge has a negative error of 8 divisions. While measuring the diameter of a wire, the reading on the main scale is 3 divisions and the 24th circular scale division coincides with the base line. If the number of divisions on the main scale are 20 to a centimeter and the circular scale has 50 divisions, then the correct diameter of the wire is ? A)0.182cm B)0.166cm C)0.174 C)3.32mm .NkKLa