A small hole is made at the bottom of a hollow sphere. The water enters into it when it is taken to a depth of 40 cm under water. If the surface tension of water is 0.07 Nm^(-1), diameter of the hole is

A small hole is made at the bottom of a hollow sphere. The water enter

1.	A small hole is made at the bottom of a hollow sphere. The water enters into it when it is taken to a depth of 40 cm under water. If the surface tension of water is 0.07 Nm^(-1), diameter of the hole is
Answer» `10//7mm` `10//14mm` `2//15mm` `1//14mm` ANSWER :D