Question:
A source of unknown frequency gives 4 beats s when sounded
Last updated: 6/14/2023
![A source of unknown frequency gives 4 beats s when sounded](https://media.kunduz.com/media/sug-question-candidate/20210716001237712669-2172182.jpg?h=512)
A source of unknown frequency gives 4 beats s when sounded with a source of known frequency 250 Hz The second harmonic of the source of unknown frequency gives five beats per second when sounded with a source of frequency 513 Hz The unknown frequency is NEET 2013 1 246 Hz 3 260 Hz 2 240 Hz 4 254 Hz