Question

8. Convection cannot take place in________
9. Black surfaces are better_____
of heat than black surfaces.
10. Polished surfaces are better_______of heat than polished surfaces​

Answer 1

Answer:

Convection cannot take place in solid

When heat is incident on the polished or shiny surfaces, most of the heat gets reflected. But in case of black surfaces, heat gets absorbed, there is no cause of reflection of heat. We can also say that polished surfaces are better reflectors of heat than black surfaces.

Answer 2

Answer:

1. Answer:Solids
2. Reflectors
3. Absorber

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