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प्रश्न
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
विकल्प
solar cell
solar cooker
thermometer
thermos flask
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उत्तर
A device in which the loss of heat due to conduction, convection and radiation is minimized is thermos flask.
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संबंधित प्रश्न
What is heat ? State its S.I. unit.
While deciding the unit for heat, which temperature interval is chosen? Why?
What will absorb heat?
Water
What will absorb heat?
Glass
Which temperature segment is chosen when determining the unit of heat? Why?
The unit of heat and temperature are the same.
We reduce the heat by adding ______ while preparing fruit juice.
When an electric current is passing through the conductor ______ energy is produced.
In summer, we prefer light – colored clothes and in winter we usually wear dark – colored clothes.
Match the following
| 1. | Heat | a. | Good absorber |
| 2. | Temperature | b. | Form of energy |
| 3. | Black surface | c. | Insulators |
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