28) The main scale of a vernier calipers reads in millimeter and its vernier is divided into 10 divisions which coincide with 9 divisions of the main scale.When the two jaws of the instrument touch each other the seventh division of the vernier scale coincide with a scale division and the zero of the vernier lies to the right of the zero of main scale. Furthermore,when a cylinder is tightly placed along its length between the two jaws,the zero of the vernier division coincides with a scale division. Calculate the measured length of the cylinder (A) 3.01 cm (B) 3.03 cm (C) 0.001 cm (Correct Answer) (D) -0.001 cm unable to understand the question ???

Answer

about 12 years ago

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