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5/12 MCQs for:
Experimental physics
Vernier calipers, reading to 0.1 mm, are used to find the internal diameter (10.0 ± 0.1 mm) and the external diameter (12.0 ± 0.1 mm) of a length of glass tubing. The mean wall thickness would be quoted, therefore, as

Four students measure the mass of an object, each using a different scale. They record their results as follows: Which student used the most precise scale?

Is a temperature of 30o C warm or cold to man?
Which of the following experimental techniques reduces the systematic error of the quantity being investigated?
A useful method of expressing very small or very large numbers is: