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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
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उत्तर
Begin to move faster
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संबंधित प्रश्न
Fill in the blank
Heat is a form of _______.
Select the correct alternative
A thermometer uses
Define the term heat.
Fill in the blank and rewrite the sentence.
If objects of equal masses are given equal heat, their final temperature will be different. This is due to difference in their ................. .
Complete the following sentence:
CGS units of heat is _________
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
______ energy can be generated by the burning of fuels like coal, wood, charcoal, gasoline, etc.
How can heat energy be generated?
Observe the picture given in figure. Water is being boiled in a pan of wide base.
- Which position P or T will feel warmer?
- Fill up the boxes P and T to indicate the mode of flow of heat to the hand.
Arrange the following in order of decreasing the expansion of heating: Steel, milk, air.
