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Two capillary tubes P and Q are dipped i...

Two capillary tubes P and Q are dipped in water. The height of water level in the capillarity P is 2/3th height in capillarity B. What is the ratio of their diameters?

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`r_P xx h_P = r_Q h_Q`
`therefore r_P xx 2/3 h_Q = r_Q xx h_Q`
`therefore (r_P)/(r_Q)` = 3/2
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