Question

A thin liquid film formed between a U-shaped wire and a light slider supports a weight of 1.5 x 10-² N, as shown in the figure. The length
of the slider is 30 cm and its
weight is negligible. The surface tension of the liquid film is
a) 0.0125 N m-1
b) 0.1 N m-1
c) 0.05 N m-1
d) 0.025 N m-1

Detailed answer required!!! ​

Answer 1

here is your answer .......

Answer 2

Answer:

Correct Option is :

(d) 0.025 N/m

Explanation:

Refer the attached picture.