Physics, 19.02.2021 21:20 gokusandjimp6blzh
Light travels from water in - 1.33) into an unknown medium. If the angles of incidence is 30° and the angle of refraction is 24", what is the index of
refraction of the unknown medium?
1
in, sinne sin 0,)
Answers: 2
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Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.
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Light travels from water in - 1.33) into an unknown medium. If the angles of incidence is 30° and th...
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