IMPROVING THE QUALITY OF EDUCATION IN MEDICAL AND BIOLOGICAL PHYSICS THE IMPORTANCE OF COURSE WORK

Аннотация

This article shows the importance of course developments in improving the quality of education in medical and biological physics at medical universities. On the topic of "Heat Radiation". Keywords: Medical and biological physics, quality of education, thermal radiation, ultraviolet, visible range, infrared rays, radiation effects. As is known, the issue of improving the quality of education is of state importance and is an urgent issue that must be resolved to train competitive national personnel. Therefore, on the initiative of our President, a large number of documents have been developed and put into practice to improve the quality of education. For example, at an expanded meeting of the Cabinet of Ministers held on January 14, 2017, the Head of our state noted the need to fundamentally revise the curriculum programs in the education system, since he emphasized the great role of educational and methodological support of educational documents, along with qualified personnel, in the effective organization of classes in educational institutions. We can take the Law "On Education" produced in 2020, the Resolution of the President of the Republic of Uzbekistan No. PQ-6108 dated November 6, 2020 "On measures to develop the spheres of education and science in the new period of development of Uzbekistan", the Development Strategy of the new Uzbekistan for 2022-2026. It was also not for nothing that 2023 was called the "Year of Attention to Humanity and Quality Education". It should be noted that certain documents have been developed and are being implemented to improve the quality of medical education, as the training of qualified medical personnel is a requirement of the time. In this article, we will examine the importance of lesson plans in improving the quality of education in medical and biological physics using the example of the topic "Heat Radiation". It is known that thermal radiation consists of electromagnetic vibrations and has certain parameters of its own properties. The main characteristics of thermal radiation, frequency and wavelength, are related as follows. 15 THEORETICAL ASPECTS IN THE FORMATION OF PEDAGOGICAL SCIENCES International scientific-online conference 𝑐 𝜈 = λ In this case 𝑐 −, the speed of light propagation in space,𝑐 = 3 ⋅ 108 𝑚 Wavelength is measured in millimeters, micrometers, nanometers, and angstroms: 1 𝑚𝑚 equal to103 𝑚𝑘𝑚,106 𝑛𝑚,107 Å The unit of measurement for frequency is hertz.(1 𝐻𝑧 = 1 𝑠−1) Radiation is a quantum process 𝐸 characterized by quantum energy and is based on Planck's formula. 𝐸 = ℎ ⋅ 𝑣 Here, ℎ = 6,6 ⋅ 10−34 𝐽 ⋅ 𝑠 −Planck's constant is used. Quantum energy is usually expressed in electron volts.1 𝑒𝑉 = 1,6 ⋅ 10−12𝑒𝑟𝑔 = 1,6 ⋅ 10−12 𝐽 There is the following relationship between quantum energy and wavelength: ℎ𝑐 1236 ℎ𝑣 = = λ λ The limit of the visible region of thermal radiation is 𝜆 = 400 𝑛𝑚from 𝜆 = 1 2 760 𝑛𝑚to , and the quantum energy is equal to: 1236 1236 ℎ𝑣 = = 3,0 𝐸.𝑣 𝑣𝑎 ℎ𝑣 = = 1,63 𝐸.𝑣 1 2 400 760 The optical range of thermal radiation is approximately 50 Åfrom to, and 106 𝑛𝑚 includes the following regions: ultraviolet ( 50 Åfrom 400 𝑛𝑚to), visible ( 400 𝑛𝑚from 760 𝑛𝑚to), and infrared ( 760 𝑛𝑚 from to).106 𝑛𝑚 Thermal radiation is the radiation that occurs when a body's atoms and molecules are excited by heat at a temperature different from absolute zero. Thermal radiation of bodies is balanced and is characterized by its temperature. As a result of radiation, the energy and temperature of the body decrease, and these decreases are compensated by the energy absorbed. Thermal radiation is also considered spontaneous radiation. It is worth noting that, when a body emits radiation, it also absorbs the energy emitted by other bodies. The main quantity characterizing thermal radiation 𝑊 is radiant energy. Radiant flux 𝛷 is 𝑡 the quantity characterized by the ratio of radiant energy to the radiation time:𝑊 𝑊 𝛷 = 𝑒 𝑡 The SI unit of measurement is - 𝐽/𝑠𝑒𝑘 The radiation of an object (𝑅 )is a quantity determined by the ratio of the 𝑒 radiation flux 𝑆emitted by an object to the surface area of the object:𝛷 𝑒 16 THEORETICAL ASPECTS IN THE FORMATION OF PEDAGOGICAL SCIENCES International scientific-online conference Ф 𝑒 𝑅 = 𝑒 𝑆 The SI unit is -𝑉𝑏/𝑚2 If we 𝛥𝜆consider the range of radiation, it 𝑟 is characterized by the spectral 𝜆 density of the radiation. The spectral density of radiation 𝑟 is the quantity determined by the ratio 𝜆 of the radiation corresponding to a part of the spectrum to 𝛥𝑅 the wavelength of 𝑒 that part :𝛥𝜆 𝛥𝑅 𝑒 𝑟 = 𝜆 𝛥𝜆 Si 𝑟 ,𝑉𝑣/𝑚3and depends on the motion of the object. 𝑒 The concept of absorption coefficient is introduced to characterize the absorption of radiant energy by an object. The absorption coefficient 𝛼is the ratio of the radiation flux to the incident 𝛷 radiation: 𝑒 Ф 𝑒 𝛼 = Ф 𝑒 can be viewed for 𝛼a 𝛥𝜆range: Ф 𝑒𝜆 𝛼 = 𝜆 Ф 𝑒𝜆 Kirchhoff's law. Even if the system we are considering consists of several bodies and the energy exchange between the