A doublet is the resulting flow pattern when a sink and a source of equal strength are brought together.
Which one of the following options correctly represents the nature of the product of the strength and the distance between them during approach?
Which one of the following options correctly represents the nature of the product of the strength and the distance between them during approach?
Show Hint
- Remains always constant
- Continuously decreases
- Continuously increases
- First increases and then continuously decreases after reaching a maximum
The Correct Option is A
Solution and Explanation
The product of the strength of the source and sink and the distance between them remains constant. This means that as the distance between the source and sink decreases, their combined strength also adjusts to maintain the same flow characteristics. The constant product ensures that the overall strength of the doublet is preserved, even though the source and sink are brought closer together.
Thus, the correct answer is (A) Remains always constant, because the total strength of the source-sink combination does not change as they approach each other.
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