Do you have any good lectures online of Fluid Mechanics and Wave optics? Or maybe any good materials?
Isn't it like 5am in uk?
Walter Lewin on youtube
Watch the physicswallah youtube lecs for fre eor u can even buy the physics wallah course batch Lakshya Jee 2025 , for about 6k rs and this gives u entire 12th as well as 11th PCM lectures along with boards PCM lecs as well
Bozemann science