Physics
At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. It is the statement of

Charle's Law
Boyle's Law
Gay-Lussac's Law
Avogadro's Law

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Physics
Energy in reflected light :

Does not depends on the angle of incidence
Becomes maximum for angle of incidence equal to 45°
Decreases with the increase in angle of incidence
Increases with the increase in angle

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