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प्रश्न
Fill in the blank
Heat is a form of _______.
विकल्प
electrical energy
gravitational energy
thermal energy
None of these
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उत्तर १
Heat is a form of energy.
उत्तर २
Heat is a form of thermal energy.
संबंधित प्रश्न
Name the mode of transfer of heat in the following :
(a) solid,
(b) liquid,
(c) gas
(d) vacuum
Draw a labelled diagram of a thermo flask. Explain how the transfer of heat by conduction, convection and radiation is reduced to a minimum in it.
What will absorb heat?
Wooden board
What will absorb heat?
Glass
What will absorb heat?
Soil
The unit of heat is
If you apply some heat energy to a substance, which of the following can take place in it?
The process of converting a liquid into a solid is called ________.
The amount of heat gained by a substance is equal to the product of its mass and latent heat.
Define one calorie.
Calorie is the unit of ______.
Ice is kept in a double-walled container. Why?
The SI unit of heat energy is ______.
Black color is a ______ absorber of heat.
In summer, we prefer light – colored clothes and in winter we usually wear dark – colored clothes.
What is heat energy?
On a cold day, it is hard to open the lid of a tight container. But when you gently heat the neck you can easily open the lid. why?
Warm air is ______.
