Why is murcury used in thermometers?
Asked by Divjyot2010
| 9th Oct, 2021,
11:54: AM
Expert Answer:
Mercury is used in thermometer because:
- It has a lower freezing point (-39°C) and a high boiling point (35°C). Hence it can be used over a wide range of temperature.
- It is shiny liquid metal, hence can be easily seen through the glass of the thermometer tube.
- It has a fairly large expansion for a small change in temperature.
- It does not stick to the glass tube.
Mercury is used in thermometer because:
- It has a lower freezing point (-39°C) and a high boiling point (35°C). Hence it can be used over a wide range of temperature.
- It is shiny liquid metal, hence can be easily seen through the glass of the thermometer tube.
- It has a fairly large expansion for a small change in temperature.
- It does not stick to the glass tube.
Answered by Shiwani Sawant
| 11th Oct, 2021,
09:14: AM
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