Question

A tuning fork A of frequency 512 Hz produces 4 beats per second when sounded with a tuning fork B. Due to filing of the prongs of the tuning fork B,the number of the beats per second becomes 6. The actual frequency of B is

(1) 516 Hz

(2) 508 Hz

(3) 512 Hz

(4) none of these

Answer 1

Correct Option(1) 516 Hz

Explanation:

Due to filing, frequency of tuning fork B increases. Since, after filing beats frequency increases.