Full Chapter Notes
Short Question & Numerical
MCQ’s
Waves, Class 11th Physics Chapter 8, focus karti hain motion ki aik khas type par jo energy ko aik medium se dusray medium tak transfer karti hai. Waves do main types ki hoti hain: mechanical waves aur electromagnetic waves. Mechanical waves ko propagate hone ke liye medium ki zarurat hoti hai, jaise sound waves jo air, water, ya solids ke through travel karti hain. Electromagnetic waves, jaise light, ko kisi medium ki zarurat nahi hoti aur yeh vacuum main bhi travel kar sakti hain.
Waves ki do main characteristics hain: wavelength aur frequency. Wavelength wave ka aik crest se doosray crest tak ka distance hota hai, jabke frequency wave ke number of cycles per second ko represent karti hai. Waves energy ko transfer karti hain without moving the medium itself, sirf particles of medium vibrate kartay hain.
Chapter mein longitudinal aur transverse waves ka bhi zikar hota hai. Longitudinal waves mein particle motion wave ki direction ke along hota hai, jabke transverse waves mein yeh motion wave ki direction ke perpendicular hota hai.
Yeh chapter waves ke basic concepts ko cover karta hai, jo bohat se real-life phenomena samajhnay mein madad dete hain, jaise sound, light, aur radio waves.