Question

In the arrangements A and B shown in the figure, pins P and Q are fixed to a metal loop and an iron rod with the help of wax. In which case are both the pins likely to fall at different times?

Answer 1

Answer:

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Explanation:

Answer: In case 'B', the pin P will fall before the pin Q because the heat will reach pin P first. In case 'A', the heat travels in both the directions, therefore, pins P and Q will fall simultaneously