Q301
Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted.
A.
Rough white
B.
Rough black
AnswerC.
Shining white
D.
Shining black
Answer: Option B
Solution
Answer: Option B
No explanation is given for this question Let's Discuss on Board