A uniform cylindrical hydrometer of mass 20g an... - WAEC Physics 2000 Question
A uniform cylindrical hydrometer of mass 20g and cross sectional area 0.54cm2 floats upright in a liquid. If 25cm of its length is submerged, calculate the relative density of the liquid. (Density of water = 1 gcm-3)
A
1.54
B
1.48
C
1.25
D
0.80
correct option: b
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