Editor Staff asked 1 year ago
When a person intakes 3000 kcal of food, he is able to do work requiring energy of 2500 kcal. This means that the human body destroys a fraction of energy obtained from food.
(a) True
(b) False
The question was posed to me in an online quiz.
The above asked question is from Various Forms of Energy : The Law of Conservation of Energy in chapter Work, Energy and Power of Physics – Class 11
Select the correct answer from above options
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Editor Staff answered 1 year ago
Right choice is (b) False
Easiest explanation: If a person consumes 3000 kcal of food and does a work requiring 2500 kcal of energy, the rest of the 500 kcal is mostly used for the metabolic activities of the body and some are lost in the form of heat energy to the atmosphere.
