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Physics CBSE Live product
Class 7
Heat transfer in nature
Convection, land and sea breeze
3.
Convection basics
Question:
2
m.
Choose the best answer:
1.
Which one is an example of convection?
Hot air balloon
Ironing clothes
Heating a rod
Sunlight hitting the face
2.
In convection when the liquid is cooled down, it becomes
Denser
Lighter
Warmer
Lesser
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