Advertisements
Advertisements
Question
Distinguish between a clinical and a laboratory thermometer.
Solution
Difference between laboratory and clinical thermometer.
| Laboratory thermometer | Clinical thermometer |
| The range of temperature is high | The range of temperature is low |
| It has no kink in it | It has a kink (constriction) in it |
| It is used to measure the temperature of chemical reactions | It is used to measure the human body temperature |
APPEARS IN
RELATED QUESTIONS
State three factors on which depend the linear expansion of a metal rod on heating.
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
State one application of thermal expansion of liquids.
The diagram shows a sketch graph showing a change in volume of a given mass of ice at -5°C to water at 15°C.
(i) Why does the temperature along BC remain constant?
(ii) When is the volume of water minimum?
(iii) At what temperature does water have maximum density? Explain.
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
What is thermal expansion?
If you heat a circular disk with a hole, what change do you expect in the diameter of the hole? Remember that the effect of heating increases the separation between any pair of particles.
What type of glassware is used in laboratories? Why?
