A body is just floating on the surface of liquid. The density of the body is same as that of the liquid. The body is slightly pushed down. Then it will

• When a body that is simply floating in a liquid with the same density as the body is slightly pushed downward, the downward force on the body rises because of air pressure and the water column above the body. 
• The body sink into the liquid as a result.

Hence the correct answer is sink in liquid.