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प्रश्न
Mercury is often used in laboratory thermometers because it ______.
पर्याय
is a harmless liquid
is silvery in colour and is attractive in appearance
Expands uniformly
is a low cost liquid
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उत्तर
Mercury is often used in laboratory thermometers because it Expands uniformly
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संबंधित प्रश्न
Jyothi was prepared to measure the temperature of hot water with a clinical thermometer. Is it right or wrong? Why?
What is the use of kink in clinical thermometer?
Why do we jerk a clinical thermometer before we measure the body temperature?
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Digital thermometers are mainly used to take body temperature.
We are advised to avoid keeping the clinical thermometer in the sun or near a flame. Why?
Explains the properties of mercury.
Write a note on the 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.
