In streamline flow, which of the following statement(s) is/are correct? I. Every fluid particle ...

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In streamline flow, which of the following statement(s) is/are correct?
I. Every fluid particle follows the path of its preceding particle with same velocity.
II. Eddies and whirls are formed.
IIl. Speed of particle is less than the critical speed.
(a) Only I
(b) Both I and III
(c) Only III
(d) Both II and III
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