Does the intensity of the light source determine whether Malus' Law is obeyed or not?
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Does the intensity of the light source determine whether Malus' Law is obeyed or not?
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- When light travel from a rarer to denser medium, the speeddecreases. Does this decrease in speed imply a decrease in theenergy carried by the light wave? Justify your answer.Remember the wave equation is v = lambda - f For electromagnetic waves traveling in a vacuum, they all travel at the speed of light c = 2.998 * 10 ^ 8 * m / s . An ultraviolet wave from the Sun traveling at the speed of light has a wavelength of 3 * 10 ^ - 8 * m . Calculate the frequency of this wave 8.85 * 10 ^ 15 * Hz; 2.33 * 10 ^ 13 * Hz; 9.99 * 10 ^ 13 * Hz; 9.99 * 10 ^ 15 * HzCalculate the deflection of light caused by the Sun's gravity.
- What do Maxwell’s equations say about the fundamental speed of the universe? Given the nature of the electromagnetic field, how does this relate to causality?Whats the wavelength of a photon of light that permits a hydrogen atom to go from its energy level 3 to its energy level 2? 434nm 121.6nm 486.1nm O 656.3nm Whats the wavelength of a photon that could make a hydrogen atom jump from energy level 4 to energy level 2? 656.3nm 121.6nm 102.6nm 486.1nmCan halo me to solve this question?
- The radio waves that travel through the air to our car/truck/home radios are just another type of light. Let's say that your favorite radio station is 87.9 on the FM dial. That means that those radio waves have a frequency of 87.9 MHz. (a) What are the wavelength of those radio waves? (b) How fast would these radio waves travel through water?What is the wavelength, in fm (femtometers, or 10^-15 m), of a proton travelling at 90% of the speed of light?(a) A radar signal with initial frequency vo is bounced off a target that is receding at speed v. Show that the returned signal is shifted to a frequency, 2v 1 v = V0 | where v << c.