Question

take a sheet of paper. Draw a spiral on it as shown in the diagram. Cut out the paper along the line and

suspend it by a piece of cotton thread above a lighted bulb. The spiral keeps spinning. Why ?​

Answer 1

Answer:

Hey there

Here is your answer

Explanation:

When the spiral paper is suspended at flame, then the paper spiral will keep moving because due to convection process, there will be transfer of heat and the air present above the flame will move up which results in movement of paper spiral.

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