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Articles related to class 9, 10, 11, 12 and B.Sc.

Uses of Good and bad absorbers of Thermal radiation

1) Appetite is increased in Winters

Atmospheric temperature is reduced in winters but body temperature remains the same.So more heat is lost by the body.So we tend to eat more to make up for the loss

2)The bottom of the cooking utencils is kept black and rough

Black and rough surface absorb more heat from the burner and cooks the food rapidly

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