MCQ
The key property of fluids is that:
- AThey offer very little esistance to shear stress.
- BTheir shape changes.
- CThey offer very large resistance to shear stress.
- ✓Both $(a)$ and $(b).$
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[Figure shows position of reference $'O'$ when jaws of screw gauge are closed]
Given pitch $=0.1 \,{cm}$.
| Column - $\mathrm{I}$ | Column - $\mathrm{II}$ |
| $(a)$ Liquid drop in air | $(i)$ $\frac{{4T}}{R}$ |
| $(b)$ Bubble of liquid in air | $(ii)$ $\frac{{2T}}{R}$ |
| $(iii)$ $\frac{{2R}}{T}$ |
