Question
Question: Two organ pipes, each closed at one end, gives 5 beats per sec, when emitting their fundamental note...
Two organ pipes, each closed at one end, gives 5 beats per sec, when emitting their fundamental notes. If their lengths are in the ratio of 50 : 51, , their fundamental frequencies (in Hz) are –
A
250, 255
B
255, 260
C
260, 265
D
265, 270
Answer
250, 255
Explanation
Solution
N µ 511 = 5150
N + 5 µ 501
N = 250 Hz
\ N + 5 = 255 Hz