2) A wave moves from medium n₁ to medium №2. a) Write the expressions for the coefficients of transmission and reflection for the case of normal incidence using that μ can be approximated as μo for both mediums. b) Using the results from the previous part, find the intensity of the incident and reflected wave in terms of n₁, n₂ and the intensity of the transmitted wave IT. c) Check that if n₁ n2, we get that IR = 0 and I₁ = IT.
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- Two point sources are generating periodic waves in phase. A point on the fourth nodal line is 25.0 cm from one source and 39.0 cm from the farthest source. Construct a sketch of the physical situation and determine the wavelength. PSYW6) just solve A - B Please answer in legible and orderly handwriting. If it is not legible, I will not give a positive rating.physical science, please simplify When employing active sonar, a submarine emits a sonar signal that has a frequency of 320 MHz (megahertz). The speed of sound waves in ocean water is 1531 m/s. What is the wavelength of this sound wave in microns?
- Mase Physics The electic vector of a waves is exist in ree space. Apply Maxwell's eguations to Find expression Tor H.Given that the wave yn = sin (2x - 50t) is superposed with the wave ym = sin (2x + 50t). Define: a) the equation for the deviation of the interference results b) The amplitude of the resultant wave. solve the all parts in 30 minutes thank uwater waves in a small tank are 7.5-cm long. They pass a I given point at a rate of 2.5 waves per 20 seconds. A) What is the speed of the water waves? B) What is the period (T) of the waves? 78150-24 Filler Paper wide ruled
- a.) An ambulance moving away from you toward cliff ant 12 m/s emits sound a running velocity at fieauency 1000Hz. Yau are toward the clif freqvenuy with of a Z mls, what you ambulunce? Speed of do hear coming directly from 34 0mls. the sound is aj97z b,)৭27 C.)1034 d.71043 b.) What reflected freauency do you herr cliff? hear for saind from the b.) 1043 i.)972 d.) az7) A vacationer sits all day on the corner of a pier in Boston Harbor and notices that at 9am, when the water level is at its lowest, the waters depth is 2 feet. At 4 pm, the water has risen to its maximum depth of 12 feet. If the depth of the water level varies sinusoidally, a. Find a formula for the depth of the water as a function of time, t, since 9am. b. What is the water depth at 7pm?c. Sketch a graph of your function showing at least one full periodIntensity is a measure of incoming power per unit area. If I is the intensity of the incoming energy within an illuminated region of area, A, then the total received power is given by: P = JA where I depends on the power of the radiating source, how it spreads and how far away it is from the illuminated region. lashlight on a Wall Suppose that a flashlight beam spreads uniformly over a circular region as shown in the figure above. (a) If P bulb is the radiated power, and r is the radius of the circle, which expression gives the intensity, , within the illuminated region? Pbulb P bulb 4πr² (b) Which expression should you use to calculate the total incoming (received) power, Pin, over a square of side length, s, that is completely illuminated by the beam as shown in the above figure? Os²el O² O 4πr²e bulb 2ftr You shine the 13.5-cm radius circular beam of a 70-W flashlight on a square sticky-note with side length 8.1-cm that is tacked to a nearby wall as shown in the figure above. (c)…