
Why is only mercury used in clinical thermometer ?
Answer
465k+ views
A clinical thermometer is used to measure human body temperature. It consists of a long glass tube which is graduated. A thermometric liquid is present within the tube which expands proportionally to temperature,hence measures it.
Mercury is best suited as a thermometric liquid:
1. It expands uniformly when heated.
2. It has low specific heat capacity.
3. I has a high boiling point (357 °C) and a low freezing point (-39 °C).
4. It is a good conductor of heat.
5. It does not stick to the walls of the glass tube.
6. It is opaque and shiny and hence clearly visible.
7. It is available in pure form.
Recently Updated Pages
Master Class 11 Economics: Engaging Questions & Answers for Success

Master Class 11 Accountancy: Engaging Questions & Answers for Success

Master Class 11 English: Engaging Questions & Answers for Success

Master Class 11 Social Science: Engaging Questions & Answers for Success

Master Class 11 Biology: Engaging Questions & Answers for Success

Master Class 11 Physics: Engaging Questions & Answers for Success

Trending doubts
Which is the largest saltwater lake in India A Chilika class 8 social science CBSE

Name the states through which the Tropic of Cancer class 8 social science CBSE

In Indian rupees 1 trillion is equal to how many c class 8 maths CBSE

is known as the Land of the Rising Sun A Japan B Norway class 8 social science CBSE

Give me the opposite gender of Duck class 8 english CBSE

When people say No pun intended what does that mea class 8 english CBSE
