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Question
Four identical metal cans are coloured with green, yellow, black and white colours. They are placed under the Sun for one hour. Which of the following coloured metal can shows the greatest rise in temperature?
Four identical metal cans are coloured with green, yellow, black and white colours. They are placed under the Sun for one hour. Which of the following coloured metal can shows the greatest rise in temperature?
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Solution
The correct option is C Black
We know that the temperature of a body rises with the absorption of heat energy and that a black body is a good absorber of heat energy. Hence, the rise in temperature of the body will be faster in the case of a black coloured metal can.
We know that the temperature of a body rises with the absorption of heat energy and that a black body is a good absorber of heat energy. Hence, the rise in temperature of the body will be faster in the case of a black coloured metal can.
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