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Physics

Chapter 1 - Electric Current, Ohms Law and Kirchhoffs Laws

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Chapter 2 - Magnetic Effects of Electric Current and Measuring Instruments

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Chapter 3 - Electromagnetic Induction and AC Dynamo and Transformer

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Chapter 4 - Alternating Current AC Circuits

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Chapter 5 - Dual Nature of Wave and Particle

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Chapter 6 - Atomic Spectra and X-Rays

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Chapter 7 - Lasers and Principles

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Chapter 8 - Modern Electronics and Semiconductors

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Quiz

Lesson 1: Hydrogen Atomic Emission Spectrum and Production of X-Rays — Picture questions (exam style)

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  • Questions count: 4
  • Passing grade: 60%
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1.
To which spectral series does the line from the transition shown belong?
To which spectral series does the line from the transition shown belong?
Paschen
Lyman
Brackett
Balmer
2.
Using R = 1.097×107 m−1 and the table, find the frequency of the hydrogen line for the transition n = 5 → n = 4.
Using R = 1.097×10⁷ m⁻¹ and the table, find the frequency of the hydrogen line for the transition n = 5 → n = 4.
2.06×1014 Hz
7.40×1013 Hz
1.48×1014 Hz
1220 Hz
3.
Using R = 1.097×107 m−1 and the table, find the frequency of the hydrogen line for the transition n = 10 → n = 5.
Using R = 1.097×10⁷ m⁻¹ and the table, find the frequency of the hydrogen line for the transition n = 10 → n = 5.
1.97×1014 Hz
9.87×1013 Hz
1.32×1014 Hz
912 Hz
4.
Using R = 1.097×107 m−1 and the table, find the frequency of the hydrogen line for the transition n = 8 → n = 4.
Using R = 1.097×10⁷ m⁻¹ and the table, find the frequency of the hydrogen line for the transition n = 8 → n = 4.
2.06×1014 Hz
1.54×1014 Hz
3.09×1014 Hz
583 Hz
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