Physics - Third secondary

Klassenstufen:

Bildungssystem: National English

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1. Understanding fundamental principles of dynamic electricity and electromagnetism

Lernziele:

1. Apply Ohm's Law to solve electrical circuit problems

2. Analyze magnetic effects of electric currents

3. Explain principles of electromagnetic induction

4. Understand operation of electrical measuring instruments

5. Analyze alternating current (AC) circuits

6. Calculate electrical parameters in DC and AC circuits

7. Demonstrate understanding of electromagnetic phenomena

Module

1. Unit 1 : Dynamic Electricity and Electromagnetism

1. 1. Chapter 1 : Electrical Current and Ohm's Law

Lernergebnisse:

1. Explain that electric current is the flow of electric charges in a conductor.

2. Define electric current intensity (I) as the charge Q passing per unit time t, with unit Ampere (A).

3. Describe potential difference (voltage) as work done per unit charge, measured in volts (V).

4. Explain electromotive force (emf) as the total work done per unit charge by a source, in volts.

5. Define resistance (R) as the opposition to current flow, dependent on conductor length, cross-sectional area, and material resistivity.

6. Express resistivity (ρ) and relate electrical conductivity (σ) as its reciprocal.

7. State Ohm's law: V = IR for a conductor at constant temperature.

8. Describe conventional current direction from positive to negative terminal outside the source.

9. Explain series connection of resistors and that total resistance R' equals the sum of individual resistances: R' = R₁ + R₂ + R₃ + ...

10. Explain that in series, current is the same through all resistors and total voltage equals the sum of voltage drops across each resistor.

11. Explain parallel connection of resistors and that the reciprocal of total resistance is the sum of reciprocals of individual resistances: 1/R' = 1/R₁ + 1/R₂ + 1/R₃ + ...

12. For two resistors in parallel, R' = (R₁ × R₂) / (R₁ + R₂).

13. For N equal resistors in series, R' = N × R; for N equal resistors in parallel, R' = R / N.

14. State Ohm's law for a closed circuit: I = V_B / (R + r), where V_B is emf, R is external resistance, and r is internal resistance.

2. Understanding fundamental concepts of modern physics and their applications

Lernziele:

1. Explain wave-particle duality and its experimental evidence

2. Analyze atomic spectra and relate them to electron transitions

3. Describe the principles of laser operation and applications

4. Understand basic concepts of modern electronics

5. Apply quantum principles to explain physical phenomena

6. Compare classical and modern physics approaches

7. Demonstrate knowledge of technological applications of modern physics

Module

1. Unit 2 : Introduction to Modern Physics

1. 1. Chapter 5 : Wave Particle Duality

Lernergebnisse:

1. Explain the concept of black body radiation and its significance in modern physics.

2. Describe Planck's explanation of black body radiation and the introduction of energy quantization.

3. Define and distinguish between the photoelectric effect and thermionic emission.

4. Interpret the experimental observations of the photoelectric effect.

5. Analyze Einstein's explanation of the photoelectric effect using the concept of photons.

6. Describe the Compton effect and its role in supporting the particle nature of light.

7. List and explain the fundamental properties of photons.

8. Describe the working principle of the electron microscope and relate it to wave-particle duality.

1. 2. Chapter 6 : Atomic Spectra

Lernergebnisse:

1. Describe Bohr's model of the hydrogen atom and the postulates it introduced.

2. Explain how light is emitted from atoms according to Bohr’s model.

3. Illustrate the structure and operation of the Coolidge tube used for X-ray generation.

4. Differentiate between characteristic radiation and continuous radiation in X-ray spectra.

5. Interpret how X-rays are generated and how their spectra are formed.

6. List and explain important applications of X-rays in science and technology.

1. 3. Chapter 7 : Lasers

Lernergebnisse:

1. Define the laser and explain the meaning of its acronym: Light Amplification by Stimulated Emission of Radiation.

2. Distinguish between spontaneous and stimulated emission of radiation.

3. Describe the properties of laser beams, including monochromaticity, collimation, coherence, and high intensity.

4. Explain the conditions required for laser action, including population inversion and resonant cavity amplification.

5. Identify the main components of a laser: active medium, energy source (pumping), and resonant cavity.

6. Explain the working mechanism of the Helium-Neon (He-Ne) laser.

7. Describe the laser amplification process through multiple reflections in the resonant cavity.

8. List major applications of lasers in fields such as holography, medicine, communications, industry, military, and space research.

9. Describe the principle and process of holography and how it uses laser interference to create 3D images.

10. Explain how lasers are used in medical treatments such as retinal repair and vision correction.

1. 4. Chapter 8 : Modern Electronics

Lernergebnisse:

1. Explain the concept of covalent bonding in pure silicon crystals.

2. Describe how thermal excitation generates free electrons and holes in intrinsic semiconductors.

3. Differentiate between n-type and p-type semiconductors based on the doping process.

4. Illustrate the behavior of a pn junction under forward and reverse bias conditions.

5. Explain the function of the depletion region and how it affects current flow.

6. Describe how a diode works and identify its applications in circuits.

7. Explain the structure and function of a transistor in terms of emitter, base, and collector.

8. Analyze the role of transistors as amplifiers and switches in electronic circuits.

9. Demonstrate how a transistor operates as an inverter in logic circuits.

10. Describe the process of rectification using diodes in AC-to-DC conversion.

11. Identify the purpose and working of electronic components such as resistors and capacitors.

12. Interpret the function of NOT, AND, and OR logic gates with truth tables.

13. Recognize how binary data is converted into analog signals using DAC and from analog to digital using ADC.

14. Explain the role of transistors and logic gates in digital electronics and microprocessors.

15. Apply knowledge of semiconductors and transistors in practical electronic applications.

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