Q. A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury?

• (A) the metal piece will simply float over the mercury
• (B) the metal piece will be immersed in mercury by half
• (C) whole of the metal piece will be immersed with its top surface just at mercury level
• (D) metal piece will sink to the bottom