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Question
Jyothi was prepared to measure the temperature of hot water with a clinical thermometer. Is it right or wrong? Why?
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Solution
It is wrong, because clinical thermometer has small temperature range (35°C to 42°C or 94°F to 108°F). If it is used to measure the temperature of hot water, the glass will crack/ burst due to excessive pressure created by expansion of mercury.
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RELATED QUESTIONS
Mercury is often used in laboratory thermometers because it ______.
Match the following
| i. | Clinical thermometer | A form of energy |
| ii. | Normal temperature of human body | 100°C |
| iii. | Heat | 37°C |
| iv. | Boiling point of water | 0°C |
| v. | Melting point of water | Kink |
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Write a note on the laboratory thermometer.
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How does a clinical thermometer differ from the thermometer used in the laboratory?
