$n = \frac{p}{{2l}}\sqrt {\frac{T}{m}} $
==> $\frac{{{n_2}}}{{{n_1}}} = \frac{{{l_1}}}{{{l_2}}} \Rightarrow {n_2} = \frac{{25}}{{16}} \times 256 = 400\,\,\,Hz$
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Statement-I: When a capillary tube is dipped into a liquid, the liquid neither rises nor falls in the capillary. The contact angle may be $0^{\circ}$.
Statement-II: The contact angle between a solid and a liquid is a property of the material of the solid and liquid as well :
In the light of above statement, choose the correct answer from the options given below.
