Advertisements
Advertisements
प्रश्न
A metal plate is heated. State three factors on which the increase in its area will depend.
Advertisements
उत्तर
THREE FACTORS ARE:
- Original area of plate A0.
- Rise in temperature t.
- Nature of material of plate.
APPEARS IN
संबंधित प्रश्न
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?
Iron rims are heated before they are fixed on the wooden wheels.
State one application of thermal expansion of liquids.
Describe an experiment to showthat air expands on heating.
An iron washer is heated State the effect on its density.
Give scientific reason.
The telephone wires which sag in summer become straight in winter.
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.
The expansion in volume is called linear expansion.
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
