Question: 1 hertz is equal to how many vibrations per second?
Answer: 1 Hertz means one vibration cycle per second, 50 Hertz means 50 vibration cycles per second while 60 Hertz means 60 vibration cycles per second. Hz is a very small unit, usually coupled with kHz (kilohertz), MHz (Megahertz), GHz (Gigahertz) etc.