1.

A stone is hung in air from a wire which is stretched over a sonometer. The bridges of the sonometer are L cm apart when the wire is in unison with a tuning fork of frequency N . When the stone is completely immersed in water, the length between the bridges is l cm for re-establishing unison, the specific gravity of the material of the stone isA. `(L^(2))/(L^(2)+l^(2))`B. `(L^(2)-l^(2))/(L^(2))`C. `(L^(2))/(L^(2)-l^(2))`D. `(L^(2)-l^(2))/(L^(2))`

Answer» Correct Answer - C


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