
Why is only mercury used in clinical thermometer ?
Answer
458.7k+ 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
Who is known as the Father of Yoga class 8 biology CBSE

List some examples of Rabi and Kharif crops class 8 biology CBSE

How many ounces are in 500 mL class 8 maths 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

a Define matter Give four examples of matter b What class 8 chemistry CBSE
