1.

A metallic cube of side 10 cm, density 6.8 gm/cc is floating in liquid mercury (density 13.6 gm/cc), with 5 cm height of cube exposed above the mercury level. Water (density 1 gm/cc) is filled over this, to submerge the cube fully. The new height of cube exposed above mercury level is

A. 4.6 cm
B. 5.4 cm
C. 5.0 cm
D. 5.8 cm
Answer» C. 5.0 cm


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