Question

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Activity 15
Differentiate between heat emitters and absorbers
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Answer 1

Answer:

Shiny surfaces are poor absorbers and emitters (but they are good reflectors of infrared radiation). If two objects made from the same material have identical volumes, a thin, flat object will radiate heat energy faster than a fat object. This is one reason why domestic radiators are thin and flat

Explanation:

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Answer 2

Heat Emmiters

1.Hotter objects emit heat.

2.Different surfaces emit heat at different speeds.

3.A dull black surfaces loses enery more quickly.It is a good radiator.

A bright shiny or white surface is a poor radiator.

Absorbers.

1.Cool objects absorb heat.

2.Substances absorb heat at different speeds.

3.Bright shiny surfaces absorb heat slowly.

4.Good emmiters are also good absorbers of heat.

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