Physics
Energy in reflected light :

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

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Physics
In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch?

To allow the aroma of the food to come out through the holes
To prevent the steam pressure from bursting open the pouch
To allow the heat to get into the food through the hole
To allow the microwaves to get into the food through the holes

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