Show all your work and include units in your answers for full credit. At a certa

Question

Show all your work and include units in your answers for full credit. At a certain instant, the electric and magnetic fields of a ray of blue light are oriented as shown. (a) What direction is the wave traveling? A. to the left B. toward the top of the page C. into the page D. to the right E. toward the bottom of the page F. out of the page (b) The magnitude of the electric field is 21 V/m. What is the magnitude of the magnetic field? (c) How far will this wave travel in 2.1 s? c=-=3.0 × 108 m/s

Explanation / Answer

a) into the page

b) B = 21/ 3 x 10^8= 7 x 10^-8 T

c) d = 3x 10^8 ( 2.1 x 10^-6) =6.3 x 10^ 2 m

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