স্বাভাৱিকস্বাভাৱিক দোলন
স্বাভাৱিক কম্পনাংক (Assamese)
1. Natural frequency, measured in terms of eigenfrequency, is the rate at which an oscillatory system tends to oscillate in the absence of disturbance. A foundational example pertains to simple harmonic oscillators... from wikipedia.org