Water rises to a height of 5 cm when a narrow glass tube is dipped vertically in it . If the tube is inclined at `60^(@)` to the vertical , then the r

Question

Water rises to a height of 5 cm when a narrow glass tube is dipped vertically in it . If the tube is inclined at `60^(@)` to the vertical , then the r

Water rises to a height of 5 cm when a narrow glass tube is dipped vertically in it . If the tube is inclined at `60^(@)` to the vertical , then the rise of water in the capillary tube will be
A. 5 cm
B. 10 cm
C. `7.5` cm
D. `2.5` cm

Monjur Alahi

10 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`h= rho cos theta`
` l = h/(coa theta )= 5/(cos 60 ) = 5/(1/2)= 5xx2 = 10 ` cm

10 views Answered 2023-02-05 15:29