a
A sea breeze is due to convection in air
b
Cotton materials are better than woollen ones for use in hot weather
c
Convectional currents play an important role in the cooling of the engine of a motor car
d
The vacuum space in a flask helps to reduce heat loss by radiation.
Explanation
Correct Option
dNo explanation available
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Discussions (5)
azucollinscybercafe
2 years ago
It's not the vacuum in the flask that helps to reduce heat loss by radiation, it's the silver coating.
Chrisplendour
1 year ago
The VACUUM helps to reduce heat loss or gain by conduction and convection....AND NOT RADIATION.
D IS CORRECT.
