Aawaz kya hai? Wo kaan tak kaise pahunchti hai? Chamgadad andhere mein kaise udti hai? Sound ki duniya - vibrations, waves, echo aur ultrasound - sab yahan seekho.
6 detailed lessons, ek Wave Lab (aawaz sun bhi sakte ho!), Echo/SONAR calculator, Speed comparison, aur ek rich 3D Sound Wave lab - sab easy Roman Hindi mein.
Har aawaz ke peeche hai kampan (vibration) - gitar, dhol, aur aapke gale se lekar har jagah.
Sound ko medium (maadhyam) chahiye - compressions aur rarefactions, longitudinal waves, aur space mein sannata.
Frequency aur amplitude badlo - wave ka shape dekho aur pitch/loudness ko kaan se suno!
Frequency, wavelength, amplitude; pitch, loudness, timbre; aur formula v = f × λ.
Sound ka takrakar wapas aana - echo, reverberation, aur SONAR se samundar ki gehrai naapna.
Time aur speed set karo aur dekho deewar ki doori ya samundar ki gehrai kaise nikalti hai!
Sound alag-alag cheezon mein kitni tez chalti hai, aur supersonic/sonic boom ka raaz.
Hawa, paani aur loha - dekho kis medium mein sound sabse tez pahunchti hai (race format mein)!
Kaan kaise sunta hai, hearing range, infrasound-ultrasound, aur ultrasound ke amazing uses.
Rich 3D lab - particle compressions aur rarefactions ko ghumakar dekho; frequency aur amplitude badalkar wave chalte hue dekho!