two wave trains are approaching each other. y1 = a sin 200 ? t y2 = a sin 208 ? t The number of beats heard per second is :

Asked by  | 6th Apr, 2012, 04:03: PM

Expert Answer:

The number of beats heard per second is 4

Answered by  | 9th Apr, 2012, 10:57: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.