Advertisements
Advertisements
प्रश्न
The fig. shows a glass tumbler containing hot milk which is placed in a tub of cold water. State the direction in which heat will flow.
Advertisements
उत्तर
When we bring two objects of different temperature together, energy will always be transferred from hotter to the cooler object.
Here, also heat will flow from hot milk tumbler to tub of cold water.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Equal volumes of different liquids expand by different amounts when they are heated to the same rise in temperature.
Write true or false for a given statement.
A mercury thermometer makes use of the property of the expansion of liquids on heating.
Fill in the blank
_________ determines the degree of hotness or coldness of a body.
Why are gaps left between successive rails on a railway track ?
State which expands more, when heated to the same temperature : solid, liquid or gas ?
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
Why is a tea kettle provided with an ebonite handle?
What are the land and sea breezes? Explain their formation.
The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.
Mention the factors affecting the flow of heat.
