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UPSC CDS Science Physics Questions Part 1
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Question : 25
Total: 105
In which of the following, heat loss is primarily
not
due to convection?
[2018 CDS-II]
Boiling water
Land and sea breeze
Circulation of air around blast furnace
Heating of glass surface of a bulb due to current in filament
Validate
Solution:
Heating of glass surface of a bulb occurs due to radiation and not due to current flowing in the filament. Heat loss in boiling water, land and sea breeze, and circulation of air around the blast furnace occurs due to convection.
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