Match the processes in Group 1 with the physical principales in Group 2.
| Group 1 | Group 2 |
| P. Floatation | 1. Differential initial accelaration |
| Q. Jigging | 2. Differential lateral movement |
| R. Tabling | 3. Differential in density |
| S. Heavy media separation | 4. Modification of surface tension |
A. P-4, Q-1, R-2, S-3
B. P-4, Q-1, R-2, S-2
C. P-2, Q-3, R-4, S-1
D. P-1, Q-3, R-4, S-2
Answer: Option A
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