Question:
The unit of drainage density is:
The unit of drainage density is:
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Drainage density is total stream length per unit basin area.
Updated On: May 18, 2026
- sq.m
- \(m^2/s\)
- \(m/sq.m\)
- \(m^3/m\)
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The Correct Option is C
Solution and Explanation
Concept:
Drainage density is a measure of the total length of drainage channels per unit area of drainage basin.
Step 1: Write the formula. \[ D_d=\frac{\text{Total length of streams}}{\text{Area of basin}} \]
Step 2: Write units.
Length is measured in metre: \[ m \] Area is measured in square metre: \[ sq.m \] Therefore, unit becomes: \[ \frac{m}{sq.m} \]
Step 3: Final answer. \[ \therefore \text{Correct Answer is (C)} \]
Drainage density is a measure of the total length of drainage channels per unit area of drainage basin.
Step 1: Write the formula. \[ D_d=\frac{\text{Total length of streams}}{\text{Area of basin}} \]
Step 2: Write units.
Length is measured in metre: \[ m \] Area is measured in square metre: \[ sq.m \] Therefore, unit becomes: \[ \frac{m}{sq.m} \]
Step 3: Final answer. \[ \therefore \text{Correct Answer is (C)} \]
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