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प्रश्न
Jyothi was prepared to measure the temperature of hot water with a clinical thermometer. Is it right or wrong? Why?
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उत्तर
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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संबंधित प्रश्न
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 |
Why do we jerk a clinical thermometer before we measure the body temperature?
The thermometer which ranger from -10°C to 110°C is ______.
All clinical thermometers have a ______ that prevents mercury from flowing back into the bulb.
What is the boiling point of mercury?
Explain the construction and working of the clinical thermometer.
Write a note on the laboratory thermometer.
Explain how do you determine the temperature of hot water using a laboratory thermometer?
Four arrangements to measure temperature of ice in beaker with laboratory thermometer are shown in the following figure (a, b, c and d). Which one of them shows the correct arrangement for accurate measurement of temperature?
Why is it advised not to hold the thermometer by its bulb while reading it?
