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प्रश्न
Maximum heat is absorbed by a ______ coloured object.
पर्याय
radiation
white
conduction
blue
convection
bad conductor
good conductor
black
reflection
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उत्तर
Maximum heat is absorbed by a black coloured object.
Explanation:
This is because black absorbs all wavelengths of light, converting them into heat energy. Lighter colours, on the other hand, reflect most of the light and absorb less heat.
संबंधित प्रश्न
Write true or false for a given statement.
On touching a lump of ice, we feel cold because some heat passes from our body to the ice.
Write true or false for a given statement.
Liquids are heated by conduction and radiation.
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A hot metallic piece is placed in tap water contained in a bucket. Heat will flow from _______ to _________
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Heat transfer in solids is by ______
Select the correct alternative
In the process of convection, heat travel
State the direction of heat transfer by way of convection.
Why are the houses in Rajasthan painted white?
Match the items in column-I to the items in column-II
| Column-I | Column-II | ||
| 1. | Linear expansion | (a) | change in volume |
| 2. | Superficial expansion | (b) | hot body to cold body |
| 3. | Cubical expansion | (c) | 1.381 X 10-23 JK-1 |
| 4. | Cubical expansion | (d) | change in length |
| 5. | Boltzmann constant | (e) | change in area |
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