The ratio of the wavelengths of the last lines of the Balmer and Lyman series is:
1. 4:1
2. 27:5
3. 3:1
4. 9:4
Subtopic: Â Type of Spectra |
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Level 2: 60%+
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The splitting of spectral lines in a magnetic field, arising out of the orbital motion of electrons only, and the further splitting due to spin motion are respectively called:
1. Zeeman and Stark effects
2. Zeeman and anomalous Zeeman effects
3. Stark and Zeeman effects
4. Zeeman and Kerr effects
Subtopic: Â Type of Spectra |
Level 3: 35%-60%
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The spectrum produced from an element is:
1. Atomic spectrum
2. Line spectrum
3. Absorption spectrum
4. Any one of the above
Subtopic: Â Type of Spectra |
Level 3: 35%-60%
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Given below are two statements:
| Statement I: | Line emission spectra are useful in the study of electronic structure. |
| Statement II: | Each element has a unique line emission spectrum. |
| 1. | Statement I is incorrect and Statement II is correct. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Statement I is correct and Statement II is incorrect. |
Subtopic: Â Type of Spectra |
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Level 3: 35%-60%
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