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प्रश्न
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.
पर्याय
True
False
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
The temperature of boiling water is _______
Describe one experiment to show that liquids expand on heating.
State one application of thermal expansion of liquids.
What are the good and bad conductors of heat ? Give two examples of each.
Why do we use cooking utensils made up of copper.
Why is a ventilator provided in a room?
In ice cubes, the force of attraction between the water molecules is ______.
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 |
Explain the following effects of heat.
Expansion
