Aplane electromagnetic wave is propagating through space. it ca rries a power fl ux of 25 kw/m 2 a) what is the magnitude of the electric field? b) magnetic field? d) what is the energy carried by each phot the wave? c) if the wavelength is 650 nm what is the frequency of the light? e) how many photons of this wavelength are required to pass through one square meter each yield the power flux of the wave?
Answers: 2
Another question on Physics
Physics, 21.06.2019 21:50
What is the length x of the side of the triangle below? (hint: use the cosine function)
Answers: 1
Physics, 22.06.2019 05:20
Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.
Answers: 2
Physics, 22.06.2019 09:00
Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
Answers: 2
Physics, 22.06.2019 10:10
In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
Answers: 1
You know the right answer?
Aplane electromagnetic wave is propagating through space. it ca rries a power fl ux of 25 kw/m 2 a)...
Questions
Mathematics, 06.05.2020 05:14
Mathematics, 06.05.2020 05:14
Computers and Technology, 06.05.2020 05:14
Geography, 06.05.2020 05:14
