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Question
Which of the following correctly differentiates heat from temperature?
Options
Heat is a scalar quantity; temperature has dimensions [M1L2T−2]
Heat flows from cold to hot; temperature flows from hot to cold
Heat is energy in transit due to a temperature difference; temperature measures the degree of hotness
Heat is measured in Kelvin; temperature is measured in Joules
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Solution
Heat is energy in transit due to a temperature difference; temperature measures the degree of hotness
Explanation:
Heat is the form of energy exchanged between bodies due to a temperature difference, while temperature is a physical quantity that defines the thermodynamic state of a system and measures how hot or cold a body is. They are fundamentally different concepts, though closely related.
