Four Identical Copper Cubes Are Painted with Different Paints

question 62

Multiple Choice

Four identical copper cubes are painted with different paints. Now if all the cubes are heated to the same temperature and are left in vacuum, which cube will lose heat more rapidly? The colours of the cubes are

• A)Pale blue
• B)37,500 kg
• C)Shiny black
• D)Dull red
• E)shiny white

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