9
Question
Mohan has two identical balloons , one is white and one is black. Both are filled with the same amount of air and are tied so that no air can get in our out. What will happen if both balloons are put in or out. What will happen if both balloons are put in direct sunlight ?
A. The balloon will become larger than the white balloon.
B. The white balloon will become larger than black balloon.
C. Both balloon will stay the same size.
Write the number of correct alternative in the answer sheet.
Mohan has two identical balloons , one is white and one is black. Both are filled with the same amount of air and are tied so that no air can get in our out. What will happen if both balloons are put in or out. What will happen if both balloons are put in direct sunlight ?
A. The balloon will become larger than the white balloon.
B. The white balloon will become larger than black balloon.
C. Both balloon will stay the same size.
Write the number of correct alternative in the answer sheet.
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Solution
The correct option is A A only
Among colours, black is the best absorbent as well as radiant of heat. Therefore, the black balloon will absorb more heat and hence will expand more.
Among colours, black is the best absorbent as well as radiant of heat. Therefore, the black balloon will absorb more heat and hence will expand more.
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