paraavartan (bhautiki)

chikne tal se prakaash ka paraavartan
jheel ke jal mein parvat ka pratibimb, paraavartan ka parinaam hai.

do maadhyamon ke Milan tal par pahunchakar kisi tarang ka pun: usi maadhyaam mein peechhe laut jaana paraavartan kahalaata hai. udaaharan ke liye, jal ki tarangon, dhvani, prakaash tatha anya vidyutachumbakeeya tarangon ka paraavartan. darpan mein ham apna jo pratibimb dekhte hain vah paraavartan ke kaaran hi bana hota hai.

dhvanivijnyaaan mein, dhvani ke paraavartan ke kaaran pratidhvani sunaai padti hai jo sonaar mein upayog mein laayi jaati hai. bhoovijnyaaan mein bhookamp tarangon ke adhyayan mein paraavartan upayogi hai. radio prasaaran tatha raadaar ke liye atyuchch aavrutti (VHF) evam isse bhi adhik aavruttiyon ka paraavartan mahatvapoorn hai.

inhein bhi dekhein