Question

if two open organ pipes of length 50 cm & 51 cm sourounded together produce 7 beats per second the speed of sound is a) 307m/s b) 327m/s c)350m/s d)357m/s ​

Answer 1

δ=

2l

v

Beat=δ

1

−δ

2

6=

2(50)

v

−

2(51)

v

6=v(

2×50

1

−

2×51

1

)

v=

2×51−2×50

6×2×50×2×51

=30600 cm/s =306 m/s

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Answer 2

Answer:

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