1. 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm
  2. 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm
  3. 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm
  4. All of these
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Answer: Option 4

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