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AFNS Academic Physics Atomic Spectra MCQs Test 2
AFNS Quiz (Physics)
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AFNS Academic Physics Atomic Spectra MCQs Test 2

Practice AFNS 2026 Academic Test Physics MCQs from Atomic Spectra. Get instant results with Explanation.

Practice Quiz 2 for "Atomic Spectra" (Physics). Total 50 MCQs available, split into 5 quizzes. Test your understanding of core concepts. Mastering these concepts is essential for securing a high percentile in AFNS.

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Conducting Body: Pak Army
Frequency: Annual | Time: 120 Minutes
Negative Marking: No

⚡ Test Pattern (Total: 100 MCQs):

Merit Formula: Typically, the aggregate is calculated as: (AFNS × 50%) + (FSc × 40%) + (Matric × 10%). However, it may have changes for merit calculation formula and admission criteria. Please confirm the official criteria from the offical website.

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1. The longest wavelength in the Balmer series corresponds to the transition from:
2. The spectral lines of hydrogen are explained by:
3. The Rydberg constant R has a value approximately:
4. The wavelength of the photon emitted when electron falls from n=2 to n=1 is:
5. The energy of an electron in the nth orbit of hydrogen is proportional to:
6. The radius of the nth orbit in Bohr model is proportional to:
7. The speed of electron in the nth orbit is proportional to:
8. The ground state energy of hydrogen is -13.6 eV. The energy of the first excited state (n=2) is:
9. The energy of the second excited state (n=3) of hydrogen is:
10. The spectral lines of hydrogen in the infrared are mainly in the:

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