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Q.

The density of a material in the shape of a cube is determined by measuring sides of the cube and its mass. Relative Error in measuring the mass, length are respectively 1.5% and 1% maximum error in determining the density is

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a

3.5%  

b

6% 

c

4.5%      

d

2.5%

answer is C.

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Detailed Solution

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ρ=mL3

Δρρ×100=Δmm×100+3ΔLL×100=1.5+3=4.5%

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