please anyone give me a pdf of class 12th physics ray optics & wave optics it's very urgent . if u have not not need to ans . ohk

Last 5 benefits of physical activity and identify each benefit as either a physical mental and emotional or social benefit

What is known about the role that insulin plays in the processing of blood sugar?

Which disease could be possibly prevented through the use of regular physical exercise? a: cirrhosis b: asthma c: gout d: type 2 diabetes