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  • Which statement is true for heat energy?Option: 1 It is a vector quantityOption: 2 SI unit

Which statement is true for heat energy?

Option: 1

It is a vector quantity


Option: 2

SI unit of heat is calorie


Option: 3

for a system heat is always taken as positive


Option: 4

It's dimension is [M^1L^2T^{-2}]


Answers (1)

As we learnt

 

Property of heat -

 

It is a scalar quantity. It is a form of energy. So its dimension is \left [ ML^{2}T^{-2} \right ]

- wherein

SI unit of heat is given as Joule per Calorie (J/K) which is equivalent to kilogram meter squared per second.

Correct option is (4).

 

 

 

Posted by

Ramraj Saini

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