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There are two ways in which light is different from any other kind of wave.
Explain.
Step by step
Solved in 2 steps
- Which one of the following statements is FALSE? O The "dual nature" of light allows light to superimpose with waves. O The "dual nature" of light allows light to produce both constructive and destructive interference. O The "dual nature" of light allows light to interact with both magnetic and electric fields. O The "dual nature" of light allows light to carry momentum and interact with matter as a particle.2. A solar panel is mounted on the roof of a house. The panel is positioned at the following coordinates (measured in meters): A(8,0,0), B(8,18,0), C(0,0,8) and D(0,0,8). Let the vector S represent the intensity, in watts per square meters, having the direction of the sun's rays. B. Given that information: a) Find normal vector N where N = AB x AD (hint: find vectors AB and AD first!) b) Use N to find the area of the panel. 900 900 900, V3' v3 ' V3 c) Assuming S = (in watts per sq. meters), what is the intensity of the sun? d) What is the amount of electrical power the panel can produce? e) What is the angle, in degrees, between S and N? Round to the hundredths.Which of the following is a TRUE statement about light? O Red light travels slower than ultraviolet light. O The energy of light increases with its wavelength. Infrared light has a longer wavelength that ultraviolet light. Light of all frequencies has the same energy. O The energy of light decreases as its frequency increases.
- Which of the following statements is true for the direction of polarization for a polarized light wave? a. It is parallel to the direction of propagation and perpendicular to the direction of the electric field. b. It is perpendicular to the direction of propagation and parallel to the direction of the electric field. c. It is parallel to the directions of propagation and the electric field. d. It is perpendicular to the directions of propagation and the electric field.4. You are in a room lit only by yellow light. A chair in that room looks red to you. (Your eyes see red + green light as yellow; your eyes see red+ blue light as magenta; your eyes see green and blue light as cyan) a. What colors of light is the chair reflecting in the yellow room? What colors of light is the chair absorbing in that room? Explain. b. You then move the chair out into the sunlight. What possible colors could the chair be in the sunlight? Explain.As the ray travels from air ( n = 1.00) to water (n = 1.33), the critical angel for this transition is ? a.) does not exist. b.)is equal to 41.2∘ c.) is equal to 138.8∘ d.)is equal to 48.8∘
- An unpolarized beam of light is incident on a series of two polarizers whose polarization axes form 30°. If the intensity of the incident light is 40 W/cm2, what will its intensity be after passing through the second polarizer? a. (120/√2) W/cm2 b. 40 W/cm2 c. 30 W/cm2 d. 20 W/cm2 e. 15 W/cm2You are in a room lit only by blue light. A chair in that room looks black to you. (Your eyes see red + green light as yellow; your eyes see red+ blue light as magenta; your eyes see green and blue light as cyan) a. What colors of light is the chair reflecting in the blue room? What colors of light is the chair absorbing in that room? Explain. b. You then move the chair out into the sunlight. What possible colors could the chair be in the sunlight? Explain.a. Why does a capacitor act as a short circuit at high frequencies and as an open circuit at low frequencies? b. For a given incident energy of an electromagnetic wave, why is the radiation pressure on a perfectly reflecting surface twice as great as that on a perfectly absorbing surface? c. Describe the physical significance of the Poynting vector.
- Answer the following two bonus questions. a. The electric field in the EM wave is given by the following equation: E = 450sin(0.40z – 6.0 x 10°t)î, where E is N/C, z in meters and t in seconds. Determine the curl of the electric field (V X E). b. Use the divergence theorem to convert the Gauss' law from the integral form to the differential form.5. A. Please rearrange the light bulks from high temperature to low temperature. a. B. Why is this the right order? C. If you have a green light bulk, its temperature is between which two lights?a. Calculate the wavelength of these radio waves. The speed of light is 3.0 x 108 m/s b. Describe how it is possible that both P and L are both maximums in signal intensity. c. Describe the conditions for why the signal experienced is at a minimum between points P and L.
