Question

Fourty one forks are arranged such that each produces 5 beats per second when sounded with its near fork. If frequency of first fork is half of the frequency of last fork, then the frequencies of the first and last fork are respectively (in Hz)
A) 200, 400
B) 105, 210
C) 240, 480
D) 100, 200​

Answer 1

Answer:

200 and 400

Explanation:

This is correct