23-32 need solution ll TM LTE2:28 PMcdn.fbsbx.comDone23. While having his vacation in Sta. Ana, Maliksi notices that four wave crests pass a certain point every20.0 seconds. He also notes that each wave crest is about 2.0 meters apart. What is the frequency of thewave that Maliksi is observing?A. 0,05 HzВ. 0.2 HzС. 2 HzD. 4 Hz24. Referring to problem 23, what is the speed of the wave?A. 0.1 m/sB. 0.4 m/sC. 4 m/sD. 8 m/sFor 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 = 0s and x = 0 m is10.0 cm. Note: Units in kg-m-s system25. What is the wave number(x)?0.157 rad/mс. 62.8 rad/mD. 68.2 rad/mА.0.175 rad/mВ.26. What is the period of the wave(T)?A. 0.2 HzВ. 2 НzС. 1.2 HzD. 2.1 Hz27. What is the angular frequency (w)of the wave?A. 31.42 rad,В. 31.24 rad/,С. 34.12 rad/,D. 34.42 rad,28. What is the speed (v) of the wave?A. 0.5 m/sв. 1.0 m/sc. 5.0 m/sD. 1.0 m/29. 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)В. у(х, с) %3D 0.10sin(68.2x - 34.12)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 mВ. 26 mС. 24 mD. 27 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^2C. 1822.2 W/m^2В.1622.5 W/m^2D. 1422.2 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. 0.00165B. 0.00150D. 0.015033. Two wave pulses, as shown in the image on the right, with equal positive amplitudes travel on a cord

Given data: Number of wave crests passed a certain point = 4 Time (t) = 20.0 s Distance between two…

While having his vacation in Sta. Ana, Maliksi notices that four wave crests pass a certain point every 20.0 seconds. He also notes that each wave crest is about 2.0 meters apart. What is the frequency of the wave that Maliksi is observing? A. 0.05 Hz C. 2 Hz B. 0.2 Hz D. 4 Hz Referring to problem 23, what is the speed of the wave? A. 0.1 m/s C. 4 m/s B. 0.4 m/s D. 8 m/s