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UPPSC Prelims 2019GS-IQ. 50 of 219
Q. 501 markMedium
UPPSC Prelims 2019·GS-I
A liquid remains hot or cold for a long time in a thermus flask because there is no loss or gain of heat by
(a)Conduction
(b)Convection and radiation
(c)Both (a) and (b)
(d)None of the above