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 Form 1 Physics heat transfer topical questions and answers

Figure 4 shows two identical balloons A and B. The balloons were filled with equal amounts of the same type of gas. The balloons are suspended at a distances x1 and x2 from a metal cube filled with boiling water and placed on an insulating material.
figheat10620201459.JPG
State the mode by which heat travels from the cube to the balloons.

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