If a glass window pane weighing 10 kg is exposed to the sun and its te – McqOptions

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1.	If a glass window pane weighing 10 kg is exposed to the sun and its temperature rises from 20°C to 70°C, then how much heat (in kJ) it must haveabsorbed? [Specific heat capacity of glass is 840 J/(kgK)]
A.	4200
B.	840
C.	420
D.	8400
Answer» D. 8400

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