Two liquids L1 and L2 are contained in a U - tu... - JAMB Physics 2005 Question
Two liquids L1 and L2 are contained in a U - tube. The height and the density of L1 are 8 cm and 103 kgm-3 respectively. If the density of L2 is 800 kgm-3, its height measured from the same level is
A
8 cm
B
10 cm
C
16 cm
D
12 cm
correct option: b
Generally, from Hares Experiment, density is inversely proportional to height
i.e h ∝1/d; → h1d1 = h2d2
∴ 8 x 103 = h2 x 800
| ∴ h2 = | 8 x 103 |
| _800 |
= 10cm
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