Course code Fizi2022

Credit points 3

Total Hours in Course120

Number of hours for lectures24

Number of hours for seminars and practical classes16

Number of hours for laboratory classes16

Independent study hours64

Date of course confirmation20.02.2013

Responsible UnitDepartment of Physics

Dr. phys.

doc.
## Antons Gajevskis

Dr. phys.

Fizi2021, Physics I

Fizi2033 [GFIZ2033] Physics II

The aim of this course is to provide knowledge in physics, in accordance with the needs of further studies of agricultural engineering specialists. Course consists of lectures, practical works and laboratory works. During the lectures students are introduced to the theory and ways of describing physical laws. Practical works include practicing and understanding written exercises and calculating precise results. During laboratory classes students deal with hands-on exercises where they measure, process and analyze various data readings, as well as to plot graphs.

After completing the course students will have:

1. knowledge of the regularities considered in the course of physics and a critical understanding of their applicability to describe real processes considered in their specialty. – The knowledge is assessed in laboratory works and tests.

2. skills to perform measurements of physical quantities and apply knowledge in calculations in the research of their field, to summarize and analytically describe the results, as well as to perform correct graphical representation of the results. – The skills are assessed in laboratory works.

3. competence to evaluate the results of measurements and calculations, solutions to problems, and to understand the impact of one's professional activity on the environment. – The competence is assessed in laboratory works and tests.

1. Magnetic field in a vacuum. Magnetic field sources. (Lectures - 2 h)

2. Magnetic flux. Gaussian theorem for magnetic field. (Lectures - 1 h)

3. Magnetic field calculation. Law of Biot-Savart. (Lectures - 2 h)

4. Lorentz’s force. Ampere’s force. (Lectures - 1 h)

5. Magnetic field in matter. Diamagnetics, paramagnetics, ferromagnets. (Lectures - 2 h)

6. Electromagnetic induction. Lenz's law. (Lectures - 3 h)

7. Inductance. Self-induction. Maxwell's equations. Displacement current. (Lectures - 1 h)

8. 1st test. Magnetism, calculation of magnetic fields. (1 h)

9. Mechanical oscillations, resonance. (Lectures - 2 h)

10. Waves, wave interference. (Lectures - 1 h)

11. Electromagnetic waves. (Lectures - 1 h)

12. Wave optics (interference, diffraction, polarization). (Lectures - 2 h)

13. The quantum nature of radiation. Thermal radiation. (Lectures - 3 h)

14. Elements of atomic physics, radioactivity. (Lectures - 1 h)

15. 2nd test. Oscillations, optics and atomic physics (1 h)

Practical classes:

1) Practical classes on magnetism and calculation of magnetic fields (7 h)

2) 1st test on magnetism and calculation of magnetic fields (1 h)

3) Practical classes on oscillations, optics and atomic physics (7 h)

4) 2nd test on oscillations, optics and atomic physics (1 h)

Laboratory works:

1) Laboratory classes on electromagnetism (Earth's magnetic field, inductance, transformer, AC circuits) - 4 h

2) Laboratory classes on oscillations and optics (physical pendulum, oscillation circuit, diffraction grating, refractive index) - 4 h

The requirement is – passing the exam.

In order to be allowed to take the exam, all tests must be written and the laboratory works must be performed and defended, and total 50% of the maximum possible points must be obtained.

Each student must process the experimental data obtained during the laboratory work (it is necessary to perform calculations in accordance to the assignment and, if required in the assignment, to plot a graph), and document the results in accordance to the requirements, as well as prepare for the defense of laboratory work by independently studying the study literature.

Knowledge control:

1) Theory tests – 2;

2) Practical exercise tests – 2;

3) Laboratory works (development and defence) – 8.

Each part shall be evaluated by 0-10 points.

1. Fizika. Valtera A. red., Rīga: Zvaigzne, 1992. 733 lpp.

2. Serway R. A., Jewett J. W. Physics for scientists and engineers, with modern physics. 9th ed. Boston, MA: Brooks/Cole Cengage Learning, 2014. 1484 p.

3. Physics for scientists and engineers: an interactive approach. R. Hawkes et al. Toronto: Nelson Education, 2014. 946 p.

4. Tipler P. A., Mosca G. Physics for Scientists and Engineers. 6th edition. New York, NY: W. H. Freeman, 2008. 1172 p.

1. Jansone M., Kalnača A. u.c. Uzdevumu krājums vispārīgajā fizikā. Rīga: RTU, 2000. 247 lpp.

2. Fizika visiem. https://estudijas.llu.lv/course/view.php?id=34

The study course is included in the compulsory part of the Bachelor’s study program “Agricultural Engineering”