📊 Physical Pharmaceutics 2
Q. …...is the diameter of a sphere having, the same observed area as the particle when viewed normal to its most stable plane.
  • (A) The surface diameter (ds)
  • (B) The projected diameter (dp)
  • (C) The volume diameter (dv)
  • (D) The Stokes diameter (dst)
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✅ Correct Answer: (B) The projected diameter (dp)

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