On October 7, 2022, at Kazetu, lecturer of the Department of natural science disciplines, master of Natural Sciences G. Nurbakyt, on the topic "fundamentals of wave optics", Mo-21-1.2 k, BT-21-1K, BT-21-1K, SS-21-1K, TPP-21-1K, bio-21-1K, Pi-conducted an open lesson with students of specialties 21-1K, Pi-21-1.3 K, itwee-21-1K, using an interactive whiteboard and Internet resources effectively. According to the plan of the open lesson, students were given detailed information about coherent waves, light interference, interference control methods, interference of light reflected from a thin film, Newton's ring.The lesson was held at a very high level with special techniques. During the lesson, students showed activity, and a column of questions and answers was held on the information provided.In order to remember the previous lesson and consolidate the new lesson, at the beginning and end of the lesson, all students performed test questions using the scratch program. The results obtained were immediately displayed on the screen.