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Two narrow bores of diameter 5 mm and 8 mm are joined together to form

Q. Two narrow bores of diameter 5 mm and 8 mm are joined together to form a U-shaped tube open at both ends. If this U-tube contains water, what is the difference in the level of two limbs of the tube.

[Take surface tension of water T = 7.3{\rm{ }} \times {\rm{ }}{10^{ - 2}}{\rm{ }}N{m^{ - 1}}{\rm{ }}, ,angle of contact = 0, g =10{\rm{ }}m{s^{ - 2}} and density of water = 1.0{\rm{ }} \times {\rm{ }}{10^{ - 3}}{\rm{ }}kg{\rm{ }}{m^{ - 3}}]

(1) 3.62 mm

(2) 2.19 mm

(3) 5.34 mm

(4) 4.97 mm                                                                          (JEE-2021)

 

 

 

Aditya Bhatt Answered question 30 January 2024
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