Question

_______runs programs in various schools in Mumbai to empower the children living in slum area
WHO
TATA trust
Salaam Mumbai Foundation
Government helplines​

Answer 1

Answer:

complete cycle of vibration occurs when the object moves from one extreme position to the other extreme, and back again. The number of cycles that a vibrating object completes in one second is called frequency. The unit of frequency is hertz (Hz). One hertz equals one cycle per second.