When two tuning forks (fork 1 and fork 2) are sounded simultaneously, 4beats per second are heard. Now, some tape is attached on the prong of the fork 2. When the tuning forks are sounded again, 6beats per second are heard. if the frequency of fork 1 is 200Hz, then what was the original frequency of fork 2?
(a) 196Hz
(b) 204Hz
(c) 200Hz
(d) 202Hz
