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Q1. The red giant Betelgeuse has the surface temperature of 4000 {rm K} and is 500 times the diameter of our sun. (If our sun were that large, we would be inside it!) Presume that it radiates like an ideal blackbody.
Q2. Find the transmitted intensity for each of these solutions when placed between crossed polarizers. The incident beam is unpolarized and has intensity of 11.0 {rm W/m^ {2}}.
Q3. Albert is piloting his spaceship, heading east with a speed of 0.88. Albert's ship sends a light beam in forward (eastward) direction, which travels away from his ship at a speed. Meanwhile, Isaac is piloting his ship in the westward direction, also at 0.89, toward Albert's ship. With what speed does Isaac see Albert's light beam pass his ship?
What is the greatest possible distance from the wall
For the polarisers, assume the incident light is linearly polarized, the transmitted intensity (through both polarisers) is 0.15×I0, and the axis of the second polarizer makes an angle θ=41° with the axis of the first polarizer. What is the angle (in..
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A particle of charge +1.5 nC is placed at a corner of a Gaussian cube with sides 12.0cm. What is an electric flux through the cube.
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A screen is placed 1.30 {rm m} behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.70 {rm cm} wide-that is, two first-order diffraction minima are separated by 1.70 {rm cm}.
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