Advertisements
Advertisements
Question
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
Solution
The reason is that the borosilicate glass does not expand much on being heated and therefore they do not crack.
APPEARS IN
RELATED QUESTIONS
What is matter? What is it composed of?
What do you understand by thermal expansion of a substance?
Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more?
State one application of thermal expansion of liquids.
An iron washer is heated. State the effect on its external.
What is meant by thermal expansion?
Give reasons for the following:
Telephone wires sag in summer.
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.
Explain thermal expansion with suitable examples.