Physics, 27.07.2019 02:10, niharikam242
The speed of a light wave in a certain transparent material is 0.589 times its speed in vacuum, which is 3.00 x108 m/s. when yellow light with a frequency of 5.25 x104 hz passes through this material, what is its wavelength in nanometers? number 囗 n m
Answers: 1
Physics, 21.06.2019 19:30, BrodsterBj
Describe the path of a ray that approaches a mirror parallel to the principal axis.
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Physics, 21.06.2019 21:00, jjxt126
A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.
Answers: 2
The speed of a light wave in a certain transparent material is 0.589 times its speed in vacuum, whic...
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