with solutions po ul TM LTE2:49 PMz-p3-cdn.fbsbx.comDoneFor Items 25 - 28, refer on the problem belowA sinusoidal wave traveling in the positive x direction has amplitude of 10.0 cm, a wavelength of 10.0 cm,and a frequency of 5.00 Hz. The vertical position of an element of the medium at t = 0 s and x = 0 m is10.0 cm. Note: Units in kg-m-s system25. What is the wave number(x)?A. 0.157 rad/mB. 0.175 radmc. 62.8 rad/mD. 68.2 radm5 rad/m26. What is the period of the wave(T)?А. 0.2 HzВ. 2 HzС. 1.2 НzD. 2.1 Hz27. What is the angular frequency (w)of the wave?A. 31.42 rad,в. 31.24 radc. 34.12 rad/sD. 34.42 rad/s28. What is the speed (u) of the wave?A. 0.5 m/sв. 1.0 m.c. 5.0 m/D. 1.0 m29. What sinusoidal wave function, y(x,t) = Asin(kx – wt), was formed by combining the datacomputed in Items 26-28?A. y(x, t) = 0.10sin(62.8x – 31.42t)B. y(x, t) = 0.10sin(68.2x – 34.12t)C. y(x, t) = 0.10sin(0.157x – 31.24t)D. y(x, t) = 0.10sin(0.175x – 34.42t)30. The intensity of monochromatic light is in the ratio 16:1. Calculate the second distance if the firstdistance is 6 m.A. 21 mC. 24 mD. 27 mB. 26 m31. The intensity of light is 800 ", at 400 cm away from the source. What is the intensity of the light of adistance 3 m away from the light source?A. 1522.7 W/m^2B. 1622.5 W/m^232. If a bright flashlight has a light intensity of 15.0 candela at a distance 1.00 m from the lens, what is theintensity of the flashlight 100.0 m from the lens?A. 0.00015C. 1822.2 W/m^2D. 1422.2 W/m^2C. 0.00165D. 0.0150B. 0.0015033. Two wave pulses, as shown in the image on the right, with equal positive amplitudes travel on a cordapproaching each other. What is the result of the oscillations whenthe pulses reach the same point?A. It is constructive interference with twice the amplitudeB. It is destructive interference with zero amplitudeC. It is constructive interference with slightly greater amplitudeD. It is constructive interference with the negative amplitude34. Interference occurs when two or more waves meet while passing though the same medium at the sametime. A special case of interference occurs when two waves of equal frequency and altitude but oppositedirections meet. The result is standing wave pattern consisting of nodes and antinodes. What are nodes?A. Points where particles of the medium are not displaced from the equilibrium positionB. Points where particles experience maximum displacementC. Lowest frequency that can be produced by a vibrating springD. Frequency higher than the fundamental frequency35. The Doppler Effect is the apparent change in the frequency of sound caused by the motion of the soundsource and/or the observer. Which of the following equations represents the effect in frequency whenboth the observer and source of motion is both moving?[vtveA. f =lviv.c. f = veB. f=_Ilvtvs.D. Cannot be determinedFor Items 36 – 37, refer on the problem belowThe frequency of a fire engine siren is 1800 Hz. Answer the following questions, assuming the speed ofansd in ain an an a la

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with solutions po ul TM LTE2:49 PMz-p3-cdn.fbsbx.comDoneFor Items 25 - 28, refer on the problem belowA sinusoidal wave traveling in the positive x direction has amplitude of 10.0 cm, a wavelength of 10.0 cm,and a frequency of 5.00 Hz. The vertical position of an element of the medium at t = 0 s and x = 0 m is10.0 cm. Note: Units in kg-m-s system25. What is the wave number(x)?A. 0.157 rad/mB. 0.175 radmc. 62.8 rad/mD. 68.2 radm5 rad/m26. What is the period of the wave(T)?А. 0.2 HzВ. 2 HzС. 1.2 НzD. 2.1 Hz27. What is the angular frequency (w)of the wave?A. 31.42 rad,в. 31.24 radc. 34.12 rad/sD. 34.42 rad/s28. What is the speed (u) of the wave?A. 0.5 m/sв. 1.0 m.c. 5.0 m/D. 1.0 m29. What sinusoidal wave function, y(x,t) = Asin(kx – wt), was formed by combining the datacomputed in Items 26-28?A. y(x, t) = 0.10sin(62.8x – 31.42t)B. y(x, t) = 0.10sin(68.2x – 34.12t)C. y(x, t) = 0.10sin(0.157x – 31.24t)D. y(x, t) = 0.10sin(0.175x – 34.42t)30. The intensity of monochromatic light is in the ratio 16:1. Calculate the second distance if the firstdistance is 6 m.A. 21 mC. 24 mD. 27 mB. 26 m31. The intensity of light is 800 &#34;, at 400 cm away from the source. What is the intensity of the light of adistance 3 m away from the light source?A. 1522.7 W/m^2B. 1622.5 W/m^232. If a bright flashlight has a light intensity of 15.0 candela at a distance 1.00 m from the lens, what is theintensity of the flashlight 100.0 m from the lens?A. 0.00015C. 1822.2 W/m^2D. 1422.2 W/m^2C. 0.00165D. 0.0150B. 0.0015033. Two wave pulses, as shown in the image on the right, with equal positive amplitudes travel on a cordapproaching each other. What is the result of the oscillations whenthe pulses reach the same point?A. It is constructive interference with twice the amplitudeB. It is destructive interference with zero amplitudeC. It is constructive interference with slightly greater amplitudeD. It is constructive interference with the negative amplitude34. Interference occurs when two or more waves meet while passing though the same medium at the sametime. A special case of interference occurs when two waves of equal frequency and altitude but oppositedirections meet. The result is standing wave pattern consisting of nodes and antinodes. What are nodes?A. Points where particles of the medium are not displaced from the equilibrium positionB. Points where particles experience maximum displacementC. Lowest frequency that can be produced by a vibrating springD. Frequency higher than the fundamental frequency35. The Doppler Effect is the apparent change in the frequency of sound caused by the motion of the soundsource and/or the observer. Which of the following equations represents the effect in frequency whenboth the observer and source of motion is both moving?[vtveA. f =lviv.c. f = veB. f=_Ilvtvs.D. Cannot be determinedFor Items 36 – 37, refer on the problem belowThe frequency of a fire engine siren is 1800 Hz. Answer the following questions, assuming the speed ofansd in ain an an a la

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