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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: 5
  • Passing grade: 60%
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1.
What minimum photon energy ionises a hydrogen atom with its electron in n = 1 and gives the electron 2 eV of kinetic energy? (see diagram)
What minimum photon energy ionises a hydrogen atom with its electron in n = 1 and gives the electron 2 eV of kinetic energy? (see diagram)
15.6 eV
5.40 eV
11.6 eV
27.1 eV
2.
What minimum photon energy ionises a hydrogen atom with its electron in n = 5 and gives the electron 5 eV of kinetic energy? (see diagram)
What minimum photon energy ionises a hydrogen atom with its electron in n = 5 and gives the electron 5 eV of kinetic energy? (see diagram)
5.54 eV
5.38 eV
11.1 eV
18.6 eV
3.
What minimum photon energy ionises a hydrogen atom with its electron in n = 2 and gives the electron 2 eV of kinetic energy? (see diagram)
What minimum photon energy ionises a hydrogen atom with its electron in n = 2 and gives the electron 2 eV of kinetic energy? (see diagram)
3.51 eV
15.6 eV
1.40 eV
5.40 eV
4.
What minimum photon energy ionises a hydrogen atom with its electron in n = 3 and gives the electron 2 eV of kinetic energy? (see diagram)
What minimum photon energy ionises a hydrogen atom with its electron in n = 3 and gives the electron 2 eV of kinetic energy? (see diagram)
2.85 eV
3.51 eV
7.02 eV
15.6 eV
5.
What minimum photon energy ionises a hydrogen atom with its electron in n = 4 and gives the electron 3.4 eV of kinetic energy? (see diagram)
What minimum photon energy ionises a hydrogen atom with its electron in n = 4 and gives the electron 3.4 eV of kinetic energy? (see diagram)
4.25 eV
17.0 eV
3.94 eV
8.50 eV
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