GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This is a requirement for heat transfer to occur between two objects (e.g. already in contact with each other).
A
Temperature difference
B
Thermal Insulation
C
Temperature Increase
D
Thermal Equilibrium
Explanation: 

Detailed explanation-1: -Conduction occurs when two objects at different temperatures are in contact with each other. Heat flows from the hotter to the colder object until the temperature becomes the same.

Detailed explanation-2: -The mass difference between two objects causes heat transfer. The density difference between two objects causes heat transfer. The temperature difference between two systems causes heat transfer. The pressure difference between two objects causes heat transfer.

Detailed explanation-3: -Conduction is heat transfer between two objects that are touching each other. When two objects touch and one has a higher temperature than the other; heat is transferred to the object with the lower temperature. When you touch something hot it feels hot because heat is being transferred from the object to your hand.

Detailed explanation-4: -Conduction. Conduction is the transfer of heat energy from one substance to another or within a substance.

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