Four copper plates of the same dimensions are painted.with red, green, white and black colours. All of them are heated upto a temperature of 300°C and then allowed to cool in the surrounding, which is at room temperature. Which plate would cool at the earliest?
A. Green
B. While
C. Black
D. Red
Answer:C
Four copper plates of the same dimensions are painted.with red, green, white and black colours. All of them are heated upto a temperature of 300°C and then allowed to cool in the surrounding, which is at room temperature. Which plate would cool at the earliest?
A. Green B. While C. Black D. Red