aavrutti

vibhinn aavrutiyon ki tarangein

koi aavrut ghatna (baar-baar doharaai jaane waali ghatna), ikaai samay mein jitni baar ghatit hoti hai use us ghatna ki aavrutti (frequency) kehte hain. aavruti ko kisi saainaakaar (sinusoidal) tarang ke kala (phase) parivartan ki dar ke roop mein bhi samajh sakte hain. aavruti ki ikaai hartj (saakals prati sekand) hoti hai.

ek kampan poora karne mein jitna samay lagta hai use aavart kaal (Time Period) kehte hain.

aavart kaal = 1 / aavruti

arthaat, T = 1 / f