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| 1. |
Why the Lyman series are ultraviolet and paschen , brackett and pfund are infrared? |
| Answer» Lyman series is the ground state energy level which is below the balmer series and balmer series are visible,that is why lyman are ultraviolet. . All the paschen, brackett and p -fund energy levels are above the balmer series . Therefore, they are Infrared . | |