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 Form 1 Physics heat transfer topical questions and answers

(a) Figure 11 shows how underground room was ventilated. It had two vents, one at A and the other at B. A fire was lit at point C. Explain what happened to the ventilation when fire was lit.
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(b) Explain how a vacuum flask minimizes loss of heat through radiation.
(b) Explain how a vacuum flask minimizes loss of heat through radiation.

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