Physics, 20.05.2020 19:03 SynysterWxlf661
Light waves can be reflected, refracted and absorbed. Which of the following is an example of light waves being absorbed?
A.
A ray of light travels from the Sun to Earth's atmosphere.
B.
A magnifying lens increases the image size of a penny.
C.
A road's black pavement becomes hot in the sunlight.
D.
A mirror changes the direction of a light ray.
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Answers: 1
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Physics, 22.06.2019 15:30
To understand the behavior of the electric field at the surface of a conductor, and its relationship to surface charge on the conductor. a conductor is placed in an external electrostatic field. the external field is uniform before the conductor is placed within it. the conductor is completely isolated from any source of current or charge. part a: which of the following describes the electric field inside this conductor? it is in the same direction as the original external field.it is in the opposite direction from that of the original external field.it has a direction determined entirely by the charge on its surface.it is always zero. part b: the charge density inside the conductor is: 0non-zero; but uniformnon-zero; non-uniforminfinite part c: assume that at some point just outside the surface of the conductor, the electric field has magnitude e and is directed toward the surface of the conductor. what is the charge density ฮท on the surface of the conductor at that point? express your answer in terms of e and ฯต0
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Light waves can be reflected, refracted and absorbed. Which of the following is an example of light...
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