Photo electric effect explained | Photo electric effect | Physics | Animation Physics lectures of Arif 17,5 тыс. подписчиков Скачать
A force 2i+j−k N acts on a body initially at rest. After 20s velocity is 4i+2j−2k m/s mass body is Скачать
Difference between concave and convex mirrors | Convex mirror | Concave mirror | #physics #optics Скачать