A meter stick can be read to the nearest millimeter and a travelling microscope can be read to the nearest 0.1 mm. Suppose you want to measure a length of 2 cm to a precision of 1%. Can you do this with the meter stick?

Question

Mickey

Engineering

18 June, 17:41

A meter stick can be read to the nearest millimeter and a travelling microscope can be read to the nearest 0.1 mm. Suppose you want to measure a length of 2 cm to a precision of 1%. Can you do this with the meter stick?

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Answers (1)

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Jesse Jordan · Answer 1

Answer: No

Explanation:

Length = 2cm = 20mm

Now meter stick can read to nearest millimeter.

It is given that length is to be measured with a precision of 1% of 20mm = 1/100 * 20 = 0.2mm

Since the least count is 1mm of meter stick and precision required is less than that. So, meter stick cannot be used for this, travelling microscope can be used for this as it can read to 0.1mm.