Test Academy | If W be the weight of a body of density ρ in vacuum then its apparent weight in air of density ρ is Wρ/σ, W(ρ-σ/σ), Wσ/ρ, W(ρ-σ/ρ)

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If W be the weight of a body of density ρ in vacuum then its apparent weight in air of density ρ is

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Wρ/σ
W(ρ-σ/σ)
Wσ/ρ
W(ρ-σ/ρ)

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