cilloscope 5. Discussion: 1. Explain how an oscilloscope may be used to display a current waveform. 2. Comment on the resultant of the circuit shown in Fig.3. Y-plates Cathode/ Intens focus screen X- plates
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- (Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically involve integrating or extending the concepts presented thus far.) . Describe how you could use two large, circular Polaroid filters in front of a circular window as a kind of window shade.1. Define Antennas and give the applications. Briefly explain the historical advancement ofAntennas covering the antenna elements and their method of analysis.(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically involve integrating or extending the concepts presented thus far.) . Just before the Sun sets, a driver encounters sunlight reflecting off the side of a building. Will Polaroid sunglasses stop this glare? Why or why not?
- (Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically involve integrating or extending the concepts presented thus far.) 19. Consider Figure 9.82 below. At which of the lettered positions would an observer be able to see the image of the dot in the mirror?explain why the light can be dual properties ? what are those ?1, What is the diameter, in meters, of the earth's orbit around the sun? Written in scientific notation, the diameter is________ times 10 to the power of_____ meters. 2, According to Roemer, about how many seconds does it take light to travel across the diameter of the earth's orbit? Do NOT include units of measure. 3, How do these two quantities determine the speed of light? 4, When ultraviolet light shines on glass, what does it do to electrons in the glass structure? 5, When energetic electrons in the glass structure vibrate against neighboring atoms, what happens to the energy of vibration? 6, What happens to the energy of a vibrating electron that does not collide with neighboring atoms? 7, How is the speed of light in glass affected by the succession of time delays that accompany the absorption and re-emission of light from atom to atom in the glass? 8, When looking at a shadow, the_________ is darker than the __________ 10, How does the speed of light compare in water,…
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- I got this is qusetion wrong. I do not know why.choose the correct answer. 1. Which of the following best describes theoutcome of Hertz’s famous experiments of 1887?A. His discoveries led to the Quantum Theory of light.B. He showed that light gives interference patterns.C. He confirmed Maxwell’s EM theory.D. He got a more accurate value for the speed of light. 2. According to “Quantum Theory”, if you comparedthe energy of 2 photons of light and found that onehad more energy than the other, then the one withmore energy must have:A. more mass.B. longer wavelength.C. higher frequency.D. a higher velocity.1-)Examine the frequency spectrum graphs of the DSB(t) and VSB(t) signals. What are the differences? Please explain 2-)Observe the frequency components of the VSB signal. What is the bandwidth required for transmission of the VSB signal? Interpret the graphs you have obtained.