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In the arrangements A and B shown in Figure 4.7, 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? Explain.

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In case ‘B’ the pin P will fall before the pin Q because the heat will reach pin P first. whereas In case ‘A’, the heat travels in both the directions and pins P and Q will fall simultaneously.

Posted by

Sumit Saini

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