1.

A body of density D is droped gently on the surface layer of liquid of density 'd' and depth 'h'. If D > d, the downward acceleration of the body while sinking is :

Answer»

g
`g(1-d/D)`
`g(1+d/D)`
`(g.d)/D`

Solution :Here resultant DOWNWARD FORCE
`=mg-M/Dxxdxxg`
`therefore`acc.a=`(mg[1-d/D])/m=g[1-d/D]`
CORRECT CHOICE is (b).


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