Advertisements
Advertisements
प्रश्न
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 the water. Explain the reason.
Advertisements
उत्तर
When the bottle is heated, bubbles of air are seen escaping into the water. This happens because the air present in the glass bottle expands on heating and tries to escape out through the tube into the water.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Solids expand the least and gases expand the most on being heated.
Write true or false for a given statement.
A mercury thermometer makes use of the property of the expansion of liquids on heating.
Write true or false for a given statement.
Water is a bad conductor of heat.
Fill in the blank
Gases expand _______ than the liquids.
Name two substances which expand on heating.
Describe one experiment to show that liquids expand on heating.
Why is a tea kettle provided with an ebonite handle?
What are the land and sea breezes? Explain their formation.
When we heat them the force of attraction between the molecules decreases and the ice cubes become ______.
When heat energy is added to a substance, the kinetic energy of its particles ______ and so the particles move at a higher speed.
