When a capillary tube is dipped into a liquid the liquid neither rises nor falls in the capillary

When a capillary tube is dipped into a liquid the liquid neither rises

1.	When a capillary tube is dipped into a liquid the liquid neither rises nor falls in the capillary
Answer» the SURFACE TENSION of liquid must be zero<BR>contact angle must be `90^(@)` surface tension MAY be one contact angle may br `90^(@)` (or) zero Answer :D