Boojho has three thermometers as shown in the figure. He wants to measure the temperature of his body and that of boiling water, which thermometers should he choose?

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Thermometers (i) and (iii) for measuring body temperature and (ii) for measuring the temperature of boiling water

Thermometer (i) for measuring both of the temperature

Thermometer (ii) for measuring both of the temperature

Thermometer (iii) for measuring both of the temperature

answer is A.

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Detailed Solution

Clinical thermometers (i) and (iii) are used to measure body temperature, whereas laboratory thermometers (ii) are used to measure chemicals or liquid temperature.
There are two types of thermometers, depending on their application. They are clinical thermometers and laboratory thermometers. The clinical thermometers shown in images (i) and (iii) are solely used to determine body temperature. Therefore, option (1) is the correct response. Thermometer (i) and (iii) is used for determining body temperature, and thermometer (ii) for determining boiling water temperature.

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