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Grashhoff number is given by | |
A. | gD3.β.Δtρ2/μ2 [Correct Answer] |
B. | gD2βΔtρ/μ2 [Wrong Answer] |
C. | gD2βΔtP2μ [Wrong Answer] |
D. | gD3βΔtP2/μ [Wrong Answer] |