Question

Two tuning forks of frequencies 256 and 258 vibrations/sec are sounded together, then time interval between consecutive maxima heard by the observer is

• A. 2 sec
• B. 0.5 sec
• C. 250 sec
• D. 252 sec

Answer 1

Answer: (B)

0.5 sec

Answer 2

$T = \frac{1}{258 - 256}$= $0.5\sec$