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CTET Prep: Science Questions - Physics - Heat
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In thermodynamics, heat is the thermal energy transferred between systems due to a temperature difference. In colloquial use, heat sometimes refers to thermal energy itself. Thermal energy is the kinetic energy of vibrating and colliding atoms in a substance.

CTET Prep: Science Questions - Physics - Heat
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1. A block of steel heated to 100°C is left in a room to cool. Which of the curves shown in the figure represents the decrease of temperature with time? temperature Time A B C