Question

Notes of heat and energy for class 9

Answer 1

Answer:

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Answer 2

Explanation:

heat is the internal energy of molecules constituting the body .it flows from hot body to cold body when they are contact .it is a measurable quantity .its s.i unit is joule (J).

energy of a body is its capacity to do work .it is a scalar quantity.its S.I. unit is joule.