Navigate

A tuning fork of frequency x produces 4 beats with a source of 256 Hz and 8 beats

A tuning fork of frequency x produces 4 beats with a source of 256 Hz and 8 beats with another source of 268 Hz. Then x equals to

Options

(a) 256 Hz
(b) 260 Hz
(c) 264 Hz
(d) 268 Hz

Correct Answer:

260 Hz

Explanation:

Frequency of tuning fork be x.
.·. x = 256 ± 4 = 260 or 252 Hz.
x = 268 ± 8 = 276 Hz or 260 Hz
.·. x =260 Hz.

OA2006
admin:

Related Questions

  1. A mass of 2.0 kg is put on a flat plan attached to a vertical spring fixed on the ground
  2. A cricketer can throw a ball to a maximum horizontal distance of 100 m. With the same
  3. A toroid having 200 turns carries a current of 1 A. The average radius of the toroid
  4. Two identical capacitors each of capacitance 5 mF are charged potentials 2 kV and 1 kV
  5. The current in a self-inductance L=40 mH is to be increased uniformly from 1A to 11 A