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 wheel has angular acceleration of 3.0 rad/sec² and an initial angular speed of 2.00
  2. A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time
  3. A 70 kg man stands in contact against the inner wall of a hollow cylindrical drum
  4. A radiactive substance emits 100 beta particles in the first 2s and 50 beta
  5. Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,