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Physics

Fluid-Mechanics

Easy

Question

Two solid pieces, one of gold and the other of silver when immersed completely in water have equal weights. When weighted in air:

the gold piece $(ρ_{gold} < ρ_{silver})$ will weigh more than silver
the silver piece will weigh more than gold
they will have the same weight
both of them weigh less than they weighed in water

The correct answer is: the silver piece will weigh more than gold

Suppose, weight of gold in air =x g.
Weight of silver in air = yg
Density of gold = d₁
Density of silver = d₂ (where $d subscript 1 greater than d subscript 2$ )
Volume of gold $equals x over d subscript 1$ , volume of silver $equals x over d subscript 2$

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