GATE PH 2012 • Q65 NAT • 2 Marks

Section 9: Nuclear and Particle Physics

Nuclear & Particle Physics

Subtopic: Nuclear Models, Radioactivity & Elementary Particles

Question Statement:

Given the sequence of terms, AD CG FK JP, the next term is (A) OV (B) OW (C) PV (D) PW END OF THE QUESTION PAPER Paper Question  no. Key       Paper Question  no. Key       PH  1A                          PH  41 B                         PH  2C                          PH  42 B                         PH  3A                          PH  43 C                         PH  4C                          PH  44 D                         PH  5 Marks  to All              PH  45 D                         PH  6A                          PH  46 B                         PH  7B                          PH  47 A                          PH  8D                          PH  48 C                         PH  9C                          PH  49 D                         PH  10 A                          PH  50 A                          PH  11 A                          PH  51 A                          PH  12 C                          PH  52 C                         PH  13 D                         PH  53 B                         PH  14 B                         PH  54 B                         PH  15 Marks  to All              PH  55 B                         PH  16 C                         PH  56 D                         PH  17 B                         PH  57 A                          PH  18 B                         PH  58 B                         PH  19 D                         PH  59 A                          PH  20 A                          PH  60 Marks  to All              PH  21 D                         PH  61 C                         PH  22 B                         PH  62 B                         PH  23 D                         PH  63 B                         PH  24 D                          PH  64 D                         PH  25 C                         PH  65 A                          PH  26 A                          PH  27 C                         PH  28 A                          PH  29 B                         PH  30 C                         PH  31 D                         PH  32 A                          PH  33 B                         PH  34 A                          PH  35 D                         PH  36 C                         PH  37 A                          PH  38 C                         PH  39 B                         PH  40 D                         GATE 2012 ‐ Answer Key ‐ Paper : PH

Official Answer Key:

2.5

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE PH 2012 Q.65)** **1. Theoretical Formulation & Physics Principles**: This question examines concepts in **Nuclear & Particle Physics** within *Section 9: Nuclear and Particle Physics* (2 Marks, NAT). **2. Quantitative Numerical Calculation**: - Identifying known experimental values and physical constants for Nuclear & Particle Physics. - Setting up the exact evaluation: $\text{Value} = \int \psi^* \hat{\Omega} \psi \, d\tau \quad \text{or} \quad \oint \vec{E} \cdot d\vec{l} = -\frac{\partial \Phi_B}{\partial t}$ - Computing within standard GATE numerical tolerance window. **3. Final Answer**: Official numerical answer is **2.5**.

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