A) It equals to the density of water.
B) It equals to half the density of water.
C) It equals to one fourth the density of water.
D) It equals to three fourths the density of water.
Correct Answer: C
Solution :
Upthrust \[=\] weight of liquid displaced\[\frac{V}{4}\times {{\rho }_{water}}g=V{{\rho }_{wood}}g\]\[i.e.\] Density of wood is one fourth the density of water.
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