Advertisements
Advertisements
Question
Advertisements
Solution
Three advantages of using mercury as a thermometric liquid:
(i) Mercury is a good conductor of heat.
(ii) Mercury has a high coefficient of expansion thus is sensitive to the smallest change in temperature.
(iii) Freezing points is very low and the boiling point is high.
APPEARS IN
RELATED QUESTIONS
Two identical rods of copper are heated to different temperatures — one by 5°C and the other by 10°C. Which rod will expand more?
An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into water. Explain the reason.
An iron washer is heated. State the effect on its external.
An iron washer is heated. State the effect on its internal diameter.
Distinguish between a clinical and a laboratory thermometer.
Solids ______ on heating and ______ on cooling.
What difference do you think heating the solid will make in their molecules?
- Assertion: Gas is highly compressible than solid and liquid
- Reason: Interatomic or intermolecular distance in the gas is comparably high.
