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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
A thermometer is used to measure ______.
A clinical thermometer is not used to measure the temperature of air, why?
Digital thermometers are mainly used to take body temperature.
Mention the use of laboratory thermometers.
Explains the properties of mercury.
Explain how do you determine the temperature of hot water using a laboratory thermometer?
Figure (a–d) shows a student reading a doctor’s thermometer. Which of the figure indicates the correct method of reading temperature?
A laboratory thermometer A is kept 7 cm away on the side of the flame while a similar thermometer B is kept 7 cm above the flame of a candle as shown in the following figure.
Which of the thermometers, A or B, will show a greater rise in temperature? Give reason for your answer.
Why is it advised not to hold the thermometer by its bulb while reading it?
How does a clinical thermometer differ from the thermometer used in the laboratory?
