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O-LevelPhysicsThermal Physics5054/11 · Oct/Nov 2011 · Q181 Mark

What makes a clinical thermometer suitable for measuring small changes in body temperature?

AThe amount of mercury in the bulb is small.
BThe bore of the capillary tube is narrow.
CThe capillary tube is long.
DThe glass bulb has a thin wall.

✓ Correct answer

B: The bore of the capillary tube is narrow.

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About this question

Topic
Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, Oct/Nov 2011 Paper 1 Variant 1, question 18.

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