Question

SIX MAXIMUM AND MINIMUM THERMOMETER

Answer 1

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Answer 2

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This is the instrument for measuring the maximum and minimum temperature in a day . Here , the two thermometers are connected using a U-shaped glass tube . The Mercury filled in the maximum thermometer expands with the rise in temperature and pushes up the metal indicator . The indicator remains at the position showing the maximum temperature of the day . Thus the maximum temperature can be read at any time during a day . The minimum thermometer has alcohol filled above the indicator . When the temperature falls , the indicator is pushed up as the alcohol contracts . The minimum temperature can be read from the position of the indicator at any time .