Advertisements
Advertisements
प्रश्न
A mercury thermometer makes use of the property of expansion of liquids on heating.
विकल्प
True
False
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
All solids expand by the same amount when heated to the same rise in temperature.
Telephone wires are kept tight between the two poles in winter.
Two rods A and B of the same metal, but of length 1 m and 2 m respectively, are heated from 0°C to 100°C. Then
Distinguish between liquid and vapour (or gas) states of matter on the basis of the following factors
- Arrangement of molecules
- Inter-molecular separation
- Inter-molecular force, and
- Kinetic energy of molecules
Why does bubbles appear when a liquid is heated?
Give two examples of the substances which expand on heating.
Describe an experiment to demonstrate the thermal expansion in solids.
Two identical rods, one hollow and the other solid are heated to the same rise in temperature. Which will expand more?
Describe an experiment to show that liquids expand on heating.
How does the density of a substance (solid, liquid and gas) change on heating?
