Eamcet Physics - 1 st Year : Unit 7.5 ( Properties of Bulk Matter ) - Capillarity – Excess Pressure Free Online Tests | Mock Tests | Preparation | Practice Tests

Study Room

Goto

Eamcet Physics
1 st Year : Unit 7.5 ( Properties of Bulk Matter ) - Capillarity – Excess Pressure

Take Exam

01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

2 / 40

One end of a uniform glass capillary tube of radius r=0.025 cm is immersed vertically in water to a depth h = 1cm. The excess pressure in N/m² required to blow an air bubble out of the tube:
Surface tension of water = 710^-2N/m
Density of water = 10³kg/m³
Acceleration due to gravity = 10ms^-2

A. 0.0048 x10⁵

B. 0.0066 x10⁵

C. 1.0018 x10⁵

D. 1.0033 x10⁵

E. None of the above

View Answer

Correct choice: B

Explanation:

2 / 40

Study Room

Lessons

Eamcet Physics 1 st Year : Unit 7.5 ( Properties of Bulk Matter ) - Capillarity – Excess Pressure

Eamcet Physics
1 st Year : Unit 7.5 ( Properties of Bulk Matter ) - Capillarity – Excess Pressure