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Questions  

An inverted U tube has its two limbs in water and kerosene contained in two beakers. If water rises to a height of 18 cm, to what height does kerosene (density=0.8 gm/cc ) rise in the other limb?

a
28.4 cm
b
22.5 cm
c
36.2 cm
d
16.9 cm

detailed solution

Correct option is B

18×1×g=h×0.8×g⇒h=180.8=22.5  m

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