A tuning fork gives 4 beats with 50 cm length of a sonometer

A tuning fork gives 4 beats with 50 cm length of a sonometer. If the length of the wire is shortened by 1 cm, the number of beats is still the same. The frequency of the fork is

Options

(a) 396 Hz
(b) 400 Hz
(c) 404 Hz
(d) 384 Hz

Correct Answer:

396 Hz

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. An electric current passes through a long straight wire
  2. Two Carnot engine A and B are operated in series. The engine A receives
  3. In which of the follows decays, the element does not change?
  4. The value of workdone for rotating a magnet of magnetic moment M by an angle θ in external
  5. A body is thrown upward from ground covers equal distances