Physics
Vernier scale readings are as shown in the figures given below. Give the actual reading provided :
(a) the instrument has a zero error of +0.02 cm.
(b) the instrument has a zero error of -0.03 cm.
Related Questions
The main scale of a vernier callipers is calibrated in mm and 19 divisions of main scale are equal in length to 20 divisions of vernier scale. In measuring the diameter of a cylinder by this instrument, the main scale reads 35 divisions and 4th division of vernier scale coincides with a main scale division.
Find —
(i) least count and
(ii) radius of cylinder.
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Find the length
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