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The diagram given below is type of thermometer. Study the diagram carefully
and answer the following questions.
Mercury
Bulb
Thread
Capillary tube
(i) On which principle does it work?
(ii) Write the temperature rang of this type of thermometer.
(iii) Can this type of thermometer is suitable for measure the human body
temperature. Give reason in support of your answer.
(iv) Write the importance of this type thermometer in the field of science.
nd
Farer