NEET Physics Surface Tension Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Surface tension of water | (i) 7.30 × 10 -2 Nm -1 |
| (b) Effect of temperature | (ii) Decreases with increase in temperature |
| (c) Shape of liquid drop | (iii) Always spherical under no external forces |
| (d) Excess pressure in bubbles | (iv) Given by 2S/r |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iv, b-iii, c-ii, d-i
a-iii, b-iv, c-i, d-ii
Correct Answer
Detailed Explanation
The surface tension of water is given as 7.30 × 10 -2 Nm -1. Surface tension decreases with an increase in temperature, and a drop of liquid under no external forces is always spherical. The excess pressure in bubbles is calculated using the formula 2S/r.
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