Advertisements
Advertisements
प्रश्न
Write true or false for a given statement.
Black surfaces are the poor absorbers of heat radiations.
पर्याय
True
False
Advertisements
उत्तर
False.
APPEARS IN
संबंधित प्रश्न
No medium is required for transfer of heat by the process of ______.
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.
Fill in the blank
A hot metallic piece is placed in tap water contained in a bucket. Heat will flow from _______ to _________
Fill in the blank
Heat transfer in liquids and gases is by ________.
Select the correct alternative
If we add a lump of ice to a tumbler containing water,
Explain briefly the process of heat transfer by radiation.
Conduction of heat takes place through a ______ substance.
Why are the houses in Rajasthan painted white?
Heat is the transfer of energy between two objects at different temperatures.
Wrap a thin paper strip tightly around an iron rod. Try to burn the paper with candle while rotating the iron rod continuously. Does it burn? Explain your observation.
