Statement - 1 : When a glass container containing water at room temperature is kept over a flame, the level of water first decreases slightly, then increases. Statement - 2 : On heating at room temperature (27°C) water first contracts and then expands.

Engineering

Physics

Thermal Expansion

Calorimetry New

Extra

Question

Statement - 1 : When a glass container containing water at room temperature is kept over a flame, the level of water first decreases slightly, then increases.
Statement - 2 : On heating at room temperature (27°C) water first contracts and then expands.

Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.

Statement-1 is true, statement-2 is false.

Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1.

Statement-1 is false, statement-2 is true.

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1. When temperature is increased first container will expend, so water level decreases and then due to expension of water level increases.
2. Water contracts at 4°C and not at 27°C.