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Half part of an ice block is covered with black cloth and rest half is covered with white cloth and then it is kept in sunlight. After some time, clothes are removed to see the melted ice. -

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Question

Half part of an ice block is covered with black cloth and rest half is covered with white cloth and then it is kept in sunlight. After some time, clothes are removed to see the melted ice. Which of the following statements is correct?

Options

  • Ice covered with white cloth will melt more

  • Ice covered with black cloth will melt more

  • Equal ice will melt under both clothes

  • It will depend on the temperature of surroundings of ice

MCQ

Solution

Ice covered with black cloth will melt more

Explanation:

Heat is well absorbed by black cloth. As a result, ice coated in black cloth melts faster than ice covered in white cloth.

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Kirchhoff’s Law of Heat Radiation and Its Theoretical Proof
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