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Fan supplies cool air
Fan cools the air
Our perspiration eva-porates rapidly
Conductivity of air increases
During the change of state the temperature of the substance
During the motion of a projectile fired from the earth surface, _
During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to
During uniform motion of an object along a straight line, its _ remains constant with time.
Dynamo is a device for converting
Dynamo is a machine which is used for conversion of
Earliest thermometer was developed by
Echo is heard due to
Echo is produced due to
Echoes are produced due to