Question

Two open organ pipes of lengths 49 cm and 50 cm sounded together beat at 7 per second. The speed of sound is ______.

विकल्प

• 336 m/s

• 343 m/s

• 350 m/s

• 357 m/s

Answer 1

Two open organ pipes of lengths 49 cm and 50 cm sounded together beat at 7 per second. The speed of sound is 343 m/s.