Direction: At a station, Storm I of 5 hour duration with intensity 2 cm/h resulted in a runoff of 4 cm and Storm II of 8 hour duration resulted in a runoff of 8.4 cm. Assume that the φ-index is the same for both the storms.
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The intensity of storm II (in cm/h) is
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- 2.00
- 1.75
- 1.50
- 2.25
Correct Option: D
Let intensity of storm-II be P cm/hr
| ∴ 1.2 = | ||
| 8 |
⇒ 1.2 × 8 + 8.4 = P × 8
P = 2.25 cm/hr
