Question Statement:
In a two-dimensional potential flow, the doublet is a limit of the superposition of
Options:
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(A) a uniform stream and a source
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(B) a source and a sink of equal strength
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(C) a uniform stream and a sink
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(D) a source and a vortex
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2023 Q.16)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (1 Mark, MCQ).
**2. Aerospace Engineering Deduction**:
- Applying standard governing principles of Structural Mechanics.
- Option **(A)** matches the analytical derivation and official criteria.
**3. Final Answer**:
Correct Option is **(A)**.
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