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Mr. Dubey • 100.64K Points
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Q. Which among the following is the formula for Knudsen number?

  • (A) λ⁄l
  • (B) λ⁄2l
  • (C) λ⁄3l
  • (D) λ⁄4l
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Explanation by: Mr. Dubey
the formula for knudsen number is λ⁄l. knudsen number in fluid mechanics deals with gas dynamics. it is defined as the ratio of the molecular mean free path length to the representative scale length.

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