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प्रश्न
Name a solid which is a good conductor of heat.
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उत्तर
Aluminium is a good conductor of heat.
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संबंधित 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.
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
We use a ________ for measuring the temperature of a body.
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.
Describe one experiment to show that liquids expand on heating.
State one application of thermal expansion of liquids.
Why do we prefer to wear white or light coloured clothes in summer and black or dark coloured clothes in winter ?
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 |
When heat energy is added to a substance, the kinetic energy of its particles ______ and so the particles move at a higher speed.
