A thin liquid film formed between a U-shaped wire and a light slider supports a weight of \[1.5\times {{10}^{-2}}\] N (see figure). The length of the slider is 30 cm and its weight negligible. The surface tension of the liquid film is: [AIEEE 2012] |
A) 0.0125 \[N{{m}^{-1}}\]
B) 0.1 \[N{{m}^{-1}}\]
C) 0.05 \[N{{m}^{-1}}\]
D) 0.025 \[N{{m}^{-1}}\]
Correct Answer: D
Solution :
[d] |
N/m |
You need to login to perform this action.
You will be redirected in
3 sec