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When depth of insertion of turbidity rod increases, the reading in the turbidity rod ___
  • a)
    Decreases
  • b)
    Increases
  • c)
    First decrease, then increase
  • d)
    Remains constant
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
When depth of insertion of turbidity rod increases, the reading in the...
Explanation: Turbidity rod is inserted inside the water and the reading at which needle becomes invisible gives the turbidity.
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Most Upvoted Answer
When depth of insertion of turbidity rod increases, the reading in the...
Explanation:
When a turbidity rod is inserted into a liquid, it measures the turbidity or cloudiness of the liquid. The depth of insertion refers to how far the rod is inserted into the liquid.

Effect of Depth of Insertion on Reading:
When the depth of insertion of the turbidity rod increases, the reading on the turbidity rod decreases. This means that as the rod is inserted deeper into the liquid, the turbidity or cloudiness of the liquid decreases.

Reason:
The reason for this is that turbidity is caused by suspended particles in the liquid. When the rod is inserted deeper, it is more likely to encounter larger particles or clumps of particles and less likely to encounter smaller particles. Larger particles or clumps of particles settle faster and are less likely to remain suspended in the liquid, resulting in lower turbidity readings. On the other hand, smaller particles remain suspended for longer periods and contribute to higher turbidity readings.

Conclusion:
Therefore, as the depth of insertion of the turbidity rod increases, the reading on the turbidity rod decreases. This is because larger particles or clumps of particles settle faster and are less likely to remain suspended in the liquid.
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When depth of insertion of turbidity rod increases, the reading in the turbidity rod ___a)Decreasesb)Increasesc)First decrease, then increased)Remains constantCorrect answer is option 'A'. Can you explain this answer?
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