For a streamline flow, the relative velocity between the two liquid layers is 10 cm/s. The distance between them is 5 cm. The velocity gradient is

Q.1 (ix) For a streamline flow, the relative velocity between the two liquid layers is 10 cm/s. The distance between them is 5 cm. The velocity gradient is

A. 3 S^–1

B. 5 S^–1

C. 4 S^–1

D. 2 S^–1

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Answer: D. 2 S–1

Answer: (d) 2 s^–1

Velocity gradient \(=\dfrac{dv}{dx}=\dfrac{10\text{ cm/s}}{5\text{ cm}}=2\ \text{s}^{-1}\).

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For a streamline flow, the relative velocity between the two liquid layers is 10 cm/s. The distance between them is 5 cm. The velocity gradient is

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