The turbidity of water depends upon the which of the following factor?

I. Fineness of particles present in water

II. Concentration of particles present in water 

This question was previously asked in
HPCL Engineer Civil 23 Dec 2023 Official Paper
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  1. Only II
  2. Both I and II
  3. Only I
  4. Neither I nor II

Answer (Detailed Solution Below)

Option 2 : Both I and II
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Detailed Solution

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Concept:

The turbidity of water is a measure of the cloudiness or haziness caused by individual particles that are generally invisible to the naked eye. Turbidity is an important indicator of water quality and is influenced by the size and concentration of suspended particles.

Statement Evaluation:

  • Statement I: Fineness of particles present in water.
    • This statement is correct. Finer particles scatter light more effectively, increasing turbidity.
  • Statement II: Concentration of particles present in water.
    • This statement is correct. Higher concentrations of particles lead to greater turbidity.
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