Two students are heating the substance in test tube. A test tube with mass of 10gm and B test tube with mass of 20 gm. The temperature for both of the substance is same. Will the both of the substances need the same quantity of heat. Justify your answer.
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Both the substances need different quantity of heat.
- As given that test tube A and B both have same substances and are heated for the same temperature while test tube B contains double the amount if substance as compared to test tube A.
- If the quantity of substance is double in test tube A then it will require double the amount of heat as compared to test tube A when both of them have to be brought to same temperature.
- Heat energy required is Q= mc ( delta T), we can conclude that heat energy depends on mass.
- Hence both the test tubes require different amount if energy.
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