The unit of filter medium resistance is________________?
Correct answer: A. cm-1
- A. cm-1
- B. gm/cm-1
- C. cm/gm-1
- D. gm-1
Explanation
Filter-medium resistance appears in the filtration equation as a resistance per unit length, so its dimensions are inverse length, commonly expressed as cm⁻¹. The other choices do not give the correct dimensional form.
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