Advertisements
Advertisements
Question
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
Solution
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
RELATED QUESTIONS
Write true or false for a given statement.
Heat flows from a body at a high temperature to a body at a low temperature when they are kept in contact.
Write true or false for a given statement.
Kerosene contracts on heating.
Fill in the blank
_________ determines the degree of hotness or coldness of a body.
Fill in the blank
The temperature of boiling water is _______
Name the instrument used to measure the temperature of a body.
During day time, air blows from ______ to ______.
When we heat them the force of attraction between the molecules decreases and the ice cubes become ______.
Match the following
| 1. | Solid to liquid | a. | Condensation |
| 2. | Liquid to gas | b. | Deposition |
| 3. | Gas to solid | c. | Melting |
| 4. | Gas to liquid | d. | Vaporization |
______ is greater for liquids than solids and it is maximum in gases.
When heat energy is added to a substance, the kinetic energy of its particles ______ and so the particles move at a higher speed.
