Question

8. Two test tubes full of water are heated—one from below and the other near the top. In which
case will the water heat up faster and why?
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Answer 1

Explanation:

The test tube heated from below will heat up faster. We know that hot water rises up. So, as the hot water will rise up, cold water from top will take it's place. We know that that if the temperature difference is more, heat conduction is faster.

Answer 2

Answer:

below

Explanation:

because which is nearer will heat up faster