Eamcet Physics - 1 st Year : Unit 7.4 ( Properties of Bulk Matter ) - Surface Tension - Surface Energy Free Online Tests | Mock Tests | Preparation | Practice Tests

Goto

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

33 / 40

A disc of paper of radius R has a hole of radius r. It is floating on a liquid of surface tension T. The force of surface tension of the disc is

A. Tx2 π R

B. Tx2 π(R-r)

C. Tx2π(R+r)

D. Tx4π(R+r)

E. None of the above

View Answer

Correct choice: C

Explanation:

None

33 / 40

Lessons