Heat is transferred from an insulated pipe to the surrounding still air
by ________ .
ऊष्मा को एक इंसुलेटिड पाइप से आसपास की स्थिर हवा में ________ द्वारा स्थानांतरित किया जाता है।
conduction
convection
radiation
all options are correct
radiation
Hence, the correct option is (C).
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