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Measuring Size

A student mea...

Question

A student measure the thickness of an object by three different instruments and gets the result as 0.5 cm, 0.50 cm, 0.500 cm. State the one which is more accurate.

A

0.5

cm

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B

0.50

cm

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C

0.500

cm

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D

All the measurements are equally accurate.

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Solution

The correct option is C $0.500$ cm
Since, the measurement $0.500 c m$ gives the reading up to 3 decimel, thus $0.500 c m$ is the most accurate measurement among the given three measurements.

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