Question:

The rate at which water is transmitted through a unit width of the aquifer and extending through the full saturated thickness of the aquifer under a unit hydraulic gradient is called its:

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Transmissivity describes how much water an aquifer can transmit through its saturated thickness.
Updated On: May 18, 2026
  • Transmissivity
  • Specific yield
  • Specific retention
  • Hydraulic resistance
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The Correct Option is A

Solution and Explanation

Concept:
Aquifer properties describe how water is stored and transmitted underground.

Step 1: Understand transmissivity.

Transmissivity is the rate at which water is transmitted through a unit width of an aquifer under a unit hydraulic gradient.

Step 2: Mathematical meaning.

Transmissivity is related to hydraulic conductivity and saturated thickness: \[ T=K b \] where, \[ K=\text{hydraulic conductivity} \] \[ b=\text{saturated thickness of aquifer} \]

Step 3: Select the correct option.

The definition given in the question is exactly the definition of transmissivity. \[ \therefore \text{Correct Answer is (A)} \]
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