For a wave propagating in a medium, identify the property that is independent of the others. a) Velocity b) Wavelengths c) Frequency d) All these depend on each other
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For a wave propagating in a medium, identify the property that is independent of the others.
a) Velocity
b) Wavelengths
c) Frequency
d) All these depend on each other
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Solved in 2 steps
- 2. Superposition of waves moving in the same direction. Two traveling waves with the equations y₁ = A sin(kx-w₁t) and y₂ = A sin(k₂x - w₂t + p) are present in a medium. (a) Find the equation of the wave function resulting from the superposition of the two waves. (b) Describe the resulting superposition wave. Can it produce stationary waves? (c) If the speed of the waves in the medium is 6 m/s, and each wave has a wavelength of 2 m and 3 m, find the superposed wave function. Draw a wave function at t = 0 s if the phase difference (i) = 0°, (ii) = 90°, and (iii) 4 ) = 180°. (d) As in point (c), but both waves have the same wavelength, say 2 m.How would you represent the following problems with the given data in drawings or pictures? 4.- Calculate the speed or magnitude of the speed with which a longitudinal wave propagates with a frequency of 120 Hz/s and a wavelength of 10 m/cycle. 1.- What is the illumination produced by a 120 cd lamp on a perpendicular surface located at a distance of 2.5 cm away? 2.- A lamp in a classroom has an intensity of 250 cd, what is the illumination that it produces on a notebook, if there is a distance of 3m and an angle of 45º between them? I would be grateful for your answers :) :)50.) A waves velocity can be calculated by dividing its frequency by its wavelength. a. true b. false
- Select all of the following statements which are true about transverse and longitudinal wave (Select all that apply) A. Transverse waves can move through solid, liquids and gasses. B. Longitudinal waves can move through solid, liquids and gasses. C. Transverse waves can only move through solids D. Longitudinal waves can only move through solids. E. Transverse waves can only move through liquids. F. Longitudinal waves can only move through liquids. G. Transverse waves can only move through gasses. H. Longitudinal waves can only move through gasses.Figure 6-6 shows displaceme curves for two sinusoidal waves for motion at a particular position on a string. On the graph plot the complex wave formed hu the sum (or superposition) of the two sinusoidal versus time waves. 3. 2 -1 -2 -3 L... 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 TIME (seconds) Two sinusoidal waves to be FIGURE 6-6 uperimposed on a string. HEIGHT (inches)