Physics

posted by Akhmed

In order to stay in phase, do two waves need to have the same frequency? The same amplitude?

  1. bobpursley

    not the same amplitude, but the same frequency is required, otherwise the phase changes are called "beats"

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Physics waves

    Two sinusoidal waves travel in the same direction and have the same frequency. Thier amplitudes are Y1 and Y2. The smallest possible amplitude of the resultant wave is: a) Y1+Y2 and occurs if they are 180 degrees out of phase b) [Y1-Y2] …
  2. physics - waves

    Two sinusoidal waves, identical except for phase, travel in the same direction along a string producing a net wave y'(x, t) = (1.5 mm) sin(29x - 4.0t + 0.960 rad), with x in meters and t in seconds. (a) What is the wavelength of the …
  3. physics

    Which of the following conditions is not necessary to observe an interference pattern between two sets of waves?
  4. physics

    Two identical traveling waves, moving in the same direction, are out of phase by /5.0 rad. What is the amplitude of the resultant wave in terms of the common amplitude ym of the two combining waves?
  5. physics

    Two waves are travelling on a string in the same direction. Both have a frequency of 101 Hz, a wavelength of 0.400 m, and an amplitude of 0.410 m. What is the amplitude of the resultant wave if the original waves differ in phase by …
  6. physics

    Two waves traveling on a string in the same direction both have a frequency of 100 Hz, a wavelength of 2cm and an amplitude of .02 m. What is the amplitude of the resultant wave if the original waves differ in phase (a) by Pi/6 and …
  7. Physics

    Two waves traveling on a string in the same direction both have a frequency of 150 Hz, a wavelength of 2 cm, and an amplitude of 0.06 m. What is the amplitude of the resultant wave if the original waves differ in phase by each of the …
  8. physics

    Two waves traveling on a string in the same direction both have a frequency of 92 Hz, a wavelength of 0.19 m, and an amplitude of 0.32 m. What is the amplitude of the resultant wave if the original waves differ in phase by pi /3 rad?
  9. physics

    Two waves traveling on a string in the same direction both have a frequency of 92 Hz, a wavelength of 0.19 m, and an amplitude of 0.32 m. What is the amplitude of the resultant wave if the original waves differ in phase by pi /3 rad?
  10. Physics

    Two waves, identical except for phase, are traveling in the same direction through the same medium. Each of the waves has amplitude A. The amplitude of the combined (net) wave is 1.14A. What is the absolute value for the smallest possible …

More Similar Questions