What does frequency mean?

A. एक second में vibrations की संख्या / Number of vibrations in one second

Step 1: Identify the concept: this is a wave term. Step 2: Frequency tells how many vibrations occur in one second. Step 3: Remember frequency equals vibrations per second.

Step 1: concept पहचानें: यह wave term है। Step 2: Frequency बताती है कि एक second में कितनी vibrations होती हैं। Step 3: Frequency equals vibrations per second याद रखें।