Question

fill in the blanks ( heat lesson )
1 maximum heat is observed by a _____ coloured object .
2 _____ of heat does not require a medium .
3 conduction of heat takes place through a ____ substance.
4 the shinning surface in a thermos flask decrease the outgoing heat by ________.
5 cooking utensils are made from metals due to their property of _____ .
6 the earth receives heat from the sun by .
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Answer 1

1 ) Maximum heat is absorbed by a black coloured object.

2) Radiation of heat doesn't require a medium.

3) Conduction of heat takes place through a thermally conductive substance.

4) The shinning surface in a thermos flask decrease the outgoing heat by Reflection.

5) cooking utensils are made from metals due to their property of Conduction.

6) The Earth recieves heat from sun by radiation.