Question

If two open organ pipes of lenth ५०cm and 51cm sounded together produce 7 beats per sec the speed of sound is

Answer 1

Answer:

δ=2lv

Beat=δ1−δ2

6=2(50)v−2(51)v

6=v(2×501−2×511)

v=2×51−2×506×2×50×2×51 =30600 cm/s =306 m/s

306 ms