1:14:27

50-Dars.Magnit maydon

50:21

53-Dars.O'zinduksiya hodisasi

56:05

60-Dars Yorug'likning to'lqin xossalari

1:02:52

44-Dars.Elektr toki ishi va quvvati

1:11:27

Operaciones de polinomios

1:03:36

48-Dars.Mexanik tebranishlar

52:37

58-Dars.Ko'z va Ko'rish.Optik asboblar.Sferik ko'zgular

1:01:58

43-Dars.To’liq zanjir uchun Om qonuni