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9.2 , surface tension — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysics9.2 , surface tension1 Mark
MCQ
If liquid level falls in a capillary then radius of capillary will
  • ✓
    Increase
  • B
    Decrease
  • C
    Unchanged
  • D
    None of these
✓

Answer

Correct option: A.
Increase
a
(a) $h \propto \frac{1}{r}$

$rh =$ constant

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