16. Shkola Alexandr, Kovalev A. Determination of sound speed in the air by means of phase method.
The analysis of modern approaches, touching the method of use of educational physical experiment in the system of professional preparation of buduschogo teacher is conducted in the article. The questions of organization and method of leadthrough of physical experiment of the proper theme of general physics course, cooperant the increase of cognitive interest, level and quality of knowledges of students are examined.
Key words: educational physical experiment, sound-wave, wave-length, phase of vibrations.
17. Yacenko Tatyana, Dubina Nadya. Improvement of laboratory practice on the study of light diffraction for physics students.
In the article the modern directions of improvement of laboratory practical works on physics are considered and analized. The using is suggested of integrated laboratory works in the study of the diffraction of light.