Which of the following is true for laminar flow?

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Question

Which of the following is true for laminar flow?

Options:

A . 10^4 < Gr Pr < 10^7

B . 10^4 < Gr Pr < 10^8

C . 10^4 < Gr Pr < 10^9

D . 10^4 < Gr Pr < 10^10

Answer: Option C
Answer: (c).10^4 < Gr Pr < 10^9

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