A wire of diameter 14 cm is gently lowered on a liquid surface so that its plane is parallel to the surface and the pulled up.The extra force applied is 0.0616 N. The surface tension of the liquid is

A wire of diameter 14 cm is gently lowered on a liquid surface so that

1.	A wire of diameter 14 cm is gently lowered on a liquid surface so that its plane is parallel to the surface and the pulled up.The extra force applied is 0.0616 N. The surface tension of the liquid is
Answer» `7XX10^(-2)NM^(-1)` `7xx10^(-3)Nm^(-1)` `70Nm^(-1)` `1.7Nm^(-1)` Answer :A