Question No. 44. A needle is 7.5 cm long. Assuming that needle is
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Click here:point_up_2:to get an answer to your question :writing_hand:question no 44a needle is 75 cm long assuming thatneedle is not wetted by water
Click here👆to get an answer to your question ✍️ Question No- 44- A needle is 7-5 cm long- Assuming that needle is not wetted by water- how heavy can it be and still floated on water- -T - 70 dyne-cm- 1- 1-07 g-wt 2- 1-07 N 3- 1-07 dyne 4- 1-0 kg-wt
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A needle 5cm long can just rests on the surface of water without wetting. What is its weight? Surface tension of water = 0.07 N/m.
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