Yellow light with wavelength 600 nm is travelling to the right (in the positive x direction) in vacuum. The light is polarized along the ±y direction. The light passes an observer X located on the x axis. (a) Draw a neat labeled movie mode vector picture of the wave at the location of X. (b) If the wave were to represent blue light instead of yellow light, how would your diagram in part a change? Draw a new diagram to explain these changes. If there is no change, say so explicitly.
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- A sinusoidal electromagnetic wave is propagating in a vacuum in the +z-direction. Part A If at a particular instant and at a certain point in space the electric field is in the +x-direction and has a magnitude of 4.70 V/m, what is the magnitude of the magnetic field of the wave at this same point in space and instant in time? Express your answer in teslas. B = Π| ΑΣΦ ? TThree polarizing plates whose planes are parallel are centered on a common axis. The directions of the transmission axes relative to the common vertical direction are shown in the figure below. A linearly polarized beam of light with plane of polarization parallel to the vertical reference direction is incident from the left onto the first disk with intensity Ii = 12.0 units (arbitrary). Calculate the transmitted intensity If when ?1 = 15.0°, ?2 = 39.0°, and ?3 = 59.0°. Hint: Make repeated use of Malus's law.If = unitsChapter 35, Problem 033 Your answer is partially correct. Try again. Three electromagnetic waves travel through a certain point P along an x axis. They are polarized parallel to a y axis, with the following variations in their amplitudes. Find their resultant at P. E1 = (3.0 x 10-5 v/m) sin[(2.0 × 1014 rad/s)t] E2 = (6.0 x 10-6 V/m) sin[(2.0 x 1014 rad/s)t + 45°] Ez = (6.0 x 10-6 V/m) sin[(2.0 × 1014 rad/s)t - 45°] E = µV/m ) sin[(l 2.00 x 1014 | rad/s )t + ° (degrees)
- The magnetic field of an electromagnetic wave in a vacuum is B₂ = (2.6μT) sin((1.15 x 107) - wt), where x is in m and t is in S. You may want to review (Pages 889 -892). For help with math skills, you may want to review: Rearrangement of Equations Involving Multiplication and Division ▼ Part A What is the wave's wavelength? Express your answer to three significant figures and include the appropriate units. λ = Submit Part B f = Submit Part C MÅ Eo = Value What is the wave's frequency? Express your answer to three significant figures and include the appropriate units. Submit Request Answer μÀ Value Request Answer Units PHμÅ Value Request Answer Units ASSO What is the wave's electric field amplitude? Express your answer to two significant figures and include the appropriate units. 49999 Units ? AWYV ?A laser emits a cylindrical beam of light 3.8 mm in diameter. The average power of the laser is 3.0 mW. The laser shines its light on a perfectly absorbing surface. Part A How much energy does the surface receive in 15 s ? Express your answer using two significant figures. —| ΑΣΦ E = Submit Part B What is the radiation pressure exerted by the beam? Express your answer using two significant figures. VE ΑΣΦ pressure av Request Answer Submit = Request Answer ? mJ ? μРаPart C You are waiting for a pot of water to boil onthe stove. Your thermometer states that the temperature is 329.15 K (56 ° C). What is the frequency with the most intense radiation from the pot? O 3.41x1012 Hz O 1.55x10-5 Hz O 5.88x1010 O 1.94x1013 Hz O 5.17x10-14 Hz Submit Request Answer Part D In order to decrease the energy of a photon, you would need to O decrease its wavelength. O increase its wavelength. O decrease its speed. O increase its speed. Submit Request Answer
- Three polarizing plates whose planes are parallel are centered on a common axis. The directions of the transmission axes relative to the common vertical direction are shown in the figure below. A linearly polarized beam of light with plane of polarization parallel to the vertical reference direction is incident from the left onto the first disk with intensity I, = 13.0 units (arbitrary). Calculate the transmitted intensity I, when 8, 15.0°, 0,= 45.0°, and 83=57.0°. Hint: Make repeated use of Malus's law. I₁ = units 4, 8₁A parallel‑plate capacitor has closely spaced plates. Charge is flowing onto the positive plate and off of the negative plate at the rate of i=delta q/ delta t =2.5 A. What is the displacement current i(d) through the capacitor between the plates? i(d) = ?AThree polarizing filters are stacked, with the polarizing axis of the second and third filters at angles of 24.0° and 62.0°, respectively, to that of the first. If unpolarized light is incident on the stack, the light has an intensity of 69.5 W/cm² after it passes through the stack. Part A If the incident intensity is kept constant but the second polarizer is removed, what is the intensity of the light after it has passed through the stack? Express your answer with the appropriate units. I = Value W cm² www. Submit Previous Answers Request Answer ?