NEET Physics Surface Tension MCQ Question
If a glass plate in contact with water requires an additional weight of 0.1 N to break free, and the horizontal edge of the plate is 10 cm long, what is the surface tension of water in N/m?
0.01
0.1
1.0
10.0
Correct Answer
Detailed Explanation
The surface tension S is calculated using S = F/l, where F is the force (0.1 N) and l is the length (0.1 m). Thus, S = 0.1/0.1 = 1.0 N/m.
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