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प्रश्न
When an object is heated, the molecules that make up the object
पर्याय
begin to move faster
lose energy
become heavier
become lighter
उत्तर
Begin to move faster
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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.
While deciding the unit for heat, which temperature interval is chosen? Why?
What will absorb heat?
Soil
Complete the following sentence:
CGS units of heat is _________
Analogy:
Movement of molecules:: Heat.
Heat energy:: ______.
How can heat energy be generated?
To keep her soup warm Paheli wrapped the container in which it was kept with a woollen cloth. Can she apply the same method to keep a glass of cold drink cool? Give a reason for your answer.
The water in the black can becomes ______ than that in a white can after exposure to the sun.
