Physics
Energy in reflected light :

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

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Physics
Conservation of energy refers to the fact that

No chemical reaction is 100 percent efficient
The entropy of the universe is always increasing
If you conserve energy you will not be as tired
Energy cannot be created or destroyed but can be converted from one form to another

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