Grashhoff number is given by

Question: Grashhoff number is given by
[A].

gD3.β.Δtρ2/μ2

[B].

gD2βΔtρ/μ2

[C].

gD2βΔtP2μ

[D].

gD3βΔtP2/μ

Answer: Option A

Explanation:

No answer description available for this question.