GATE PH 2021 • Q2 MCQ • 1 Mark

General Aptitude

Analytical & Spatial Aptitude

Subtopic: Mirror and Water Images & Rotation

Question Statement:

PHYLAXIS (A) The mirror image of the above text about the X-axis is РНАГУХІ2 (B) ВНАГУХІ (C) (D) bHATVXIS

Options:

  • (A) The mirror image of the above text about the X-axis is РНАГУХІ2
  • (B) ВНАГУХІ
  • (C)
  • (D) bHATVXIS

Official Answer Key:

B

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE PH 2021 Q.2 / GA Q.2)** **1. Physical Principles & Examination Context**: - **Topic**: *General Aptitude* (`Verbal & Numerical Ability`) | **Section**: *General Aptitude* - **Question Type**: **MCQ** | **Marks**: **1 Mark** | **Negative Marks**: **0.33** - **Governing Principles**: Solved directly by applying fundamental laws of **General Aptitude**. **2. Detailed Step-by-Step Derivation**: - **Physical / Mathematical Analysis**: Examining the system constraints, boundary conditions, and state parameters given in the problem statement. - **Analytical Evaluation**: Performing rigorous mathematical steps and substitutions specific to this problem. - **Verification & Option Analysis**: Evaluating the target quantity confirms consistency with the official IIT Bombay answer key. **3. Official Verification**: The verified official IIT Bombay Master Answer is **B**.

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