| List I (Frequency region) | List II (Uses) |
| A. Radiofrequency | I. Radar |
| B. Microwave | II. Broadcast |
| C. Infra-red region | III. Heating |
| A | B | C | |
| 1. | II | I | III |
| 2. | I | II | III |
| 3. | I | III | II |
| 4. | II | III | I |
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