Theory: Fundamental forces and conservation laws in nature. Newton's law of universal gravitation and fundamentals of celestial mechanics. Special theory of relativity and applications in GPS system operation. Basics of electrostatics. Electric field and potential. Conductors and dielectrics in an electric field. Electricity. Direct current. Modern theory of conductivity. Semiconductors. Electromagnetism. The magnetic field of electric current. The magnetic field in materials; diamagnetism, paramagnetism, ferromagnetism. Electromagnetic induction. Alternating current. Oscillatory motion properties. Wave motion and acoustics. Doppler effect. Intensity and intensity level of the sound. The absorption of sound. Ultrasound. Seismic waves. Electromagnetic waves. Basic laws of geometric optics. Optical instruments. Dispersion of light. Wave optics: interference, diffraction and polarization of light. Light dualism. Laws of black body radiation and Planck’s hypothesis. Photoelectric effect. Basic principles of laser operation. The physical basis of nuclear techniques. Radioactive decays and ionizing radiation. Practical classes: Lecture program is followed by experimental (laboratory) exercises designed to enable students to independently determine the values of some fundamental constants of nature or to verify some physical laws through experimental work. These classes include the following: Experimental determination of gravitational acceleration of the Earth. Testing of Ohm's law in DC and AC currents circuits. Determination of sound velocity in air via Doppler effect. Resonance. Spectral analysis, dispersion and diffraction of light. Determination of the focal length of the lenses. Photocell. Through calculation exercises (as a part of laboratory exercises) students apply and deepen the knowledge from the material presented in lectures.