A load of mass M k g is suspended from a steel wire of length 2 m and radius 1.0 m m in Searle's apparatus experiment. The increase in length produced in the wire is 4.0 m m . Now the load is fully immersed in a liquid of relative density 2 . The relative density of the material of load is 8 . The new value of increase in length of the steel wire is:

Question

A load of mass M k g is suspended from a steel wire of length 2 m and radius 1.0 m m in Searle's apparatus experiment. The increase in length produced in the wire is 4.0 m m . Now the load is fully immersed in a liquid of relative density 2 . The relative density of the material of load is 8 . The new value of increase in length of the steel wire is:, 4.0 m m, Zero, 5.0 m m, 3.0 m m

MARKS App · Accepted Answer

δ = ρ 0 v g × L A y δ ′ = ρ 0 - ρ L v g × L A y ⇒ δ ^ ′ δ = ρ 0 - ρ L ρ 0 = 8 - 2 8 δ ′ = 3 m m

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