Projection of circumference =2R
Two surfaces so (film)
What's the doubt as such it's clear from figure x should be 2Tl/k?
Tl_0 is the force right not 2Tl_0
Can u explain?
Like from @Azimuddin_Sheikh figure we would get 2TR/k
It would be 2 times the force given by tension force .
How bro? @Azimuddin_Sheikh
Can u why it’s two times ?
It's a film na bro,
Two surfaces. Like in bubble you take 2T but in water sphere you take T
As said by chirag hegde bro @Viraam_Rao bro
Damn! I always overlook that.
Ohh I thought it's 1 surface because it's mentioned thin film