Physics · 2026
JEE Main · 24 January 2026, Shift 1 · Q40
Match the LIST-I with LIST-II Choose the correct answer from the options given below:
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Radio-wave | I. | is produced by Magnetron valve |
| B. | Micro-wave | II. | due to change in the vibrational modes of atoms |
| C. | Infrared-wave | III. | due to inner shell electrons moving from higher energy level to lower energy level |
| D. | X-ray | IV. | due to rapid acceleration of electrons |
Official answer
(4)
A-IV, B-I, C-II, D-III
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.