Question

In an experiment the height of an object is measured by a vernier callipers having least count 0.01 cm is found to be 5.72 cm. When no object between jaws of vernier callipers the reading of main scale is 0.1 cm and reading of vernier scale is 3. Find correct height of the object :-

Answer 1

Answer:

Actual height of the cylinder is 5.59 cm

Explanation:

Error in the scale of vernier calipers is given as

$R = MS + VS$

$R = 0.1 + 0.03$

$R = 0.13 cm$

now the height measured by the scale is

$H = 5.72 cm$

now actual height of the cylinder is given as

$H_o = H - R$

$H_o = 5.72 - 0.13$

$H_o = 5.59 cm$

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Topic : Scale and measurement

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Answer 2

Answer:

5.59cm

Explanation:

Error = 0.1cm+0.3mm = 0.13cm

True value = 5.72-0.13cm = 5.59cm