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Q.

A silver ingot weighing 2.1 kg is held by a string so as to be completely immersed in a liquid of relative density 0.8. The relative density of silver is 10.5. The tension in the string in kg-wt is

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a

1.6

b

1.94

c

3.1

d

5.25

answer is B.

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Detailed Solution

Apparent weight =V(ρ−σ)g=Mρ(ρ−σ)g=M1−σρg=2.11−0.810.5g=1.94gN=1.94Kg−wt
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