A thin wire is bent in the form of a ring of diameter 3 0 cm The ring is placed horizontally on the surface of som solution and

Question

A thin wire is bent in the form of a ring of diameter 3 0 cm The ring is placed horizontally on the surface of som solution and then raised up slowly Upward force necessary to break the vertical film formed between the ring and t solution is 1 6 T dyne 2 2nT dyne 3 4T dyne 4 3T dyne

Kunduz · Accepted Answer

Click to see the answer