A sinusoidal electromagnetic wave propagates in the +x direction through empty space. Its electric field is described by E = (9.71E4 V/m) × sin ((2.06E11 rad/s) t – (687 rad/m) x ) . What is the average intensity of this electromagnetic wave (in W/m2)?

A plane electromagnetic wave of intensity 100.0 W/m2 travels in vacuum. What is the amplitude of the electric component of this wave? Note: The speed of light in vacuum is

A point source emits electromagnetic energy at a rate of (1.034x10^2) Joules per second. What is the intensity of the electromagnetic radiation (1.01x10^1) m from the source? Express your result with three significant figures in mW/m². Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer x10

An electromagnetic wave traveling in vacuum far away from its source has a magnetic field B(z, t) = – (8.25 × 10–9 T) ĵ sin[(1.38 × 104 rad/m) z + ω t)].(a) Determine the frequency, angular frequency and wavelength of the wave.(b) Find the electric field (vector) as a function of position and time only.(c) The wave is aimed at a 10 cm × 10 cm square which absorbs the wave completely. How muchenergy is delivered to the square each hour?

Consider an electromagnetic wave in which the electric field is E' =EOj^cos(kx-wt) E→=E0j^cos(kx-wt), with k = 1.083x10' m^-1 and ww = 3.247x1015 rad/s. Assume the light intensity (=(6P/SA)avg. =(SP/ SA)avg. ) is 0.170 W/m^2. (a) What is the maximum electric field strength, EOEO? (in V/m) (b) What is the maximum magnetic field strength, BOBO? (in T) (c) What is the wavelength? (in m)

An electromagnetic wave of frequency 7.7×10¹3 Hz falls on a medium of refractive index 4.9. The speed of E-M waves in vacuum is 3×108 m/s. = The wavelength of the E-M wave in vacuum, λo The speed of the E-M wave in the medium, v = 3.8961038 x Unit nm 61224489.✔ Unit m/s The wavelength of the E-M wave in the medium, λ = If the incident wave falls from air and the angle of incidence is 44°, what is the angle of refraction? The angle of refraction, 0₁ = Unit degree Unit nm

Light with a wavelength of 571 nm is in the visible part of the electromagnetic spectrum. What is the numerical value of the exponent p if 571 nm = 571 x 10² cm? p= Report your numerical answer below, assuming three significant figures.

Consider electromagnetic waves in free space. What is the wavelength of a wave that has the following frequencies? (a)    4.20 ✕ 1011 Hz m(b)    6.76 ✕ 1016 Hz m

Consider electromagnetic waves in free space. What is the wavelength of a wave that has the following frequencies? (a) 4.24 x 10¹¹ Hz (b) m 8.28 x 10¹6 Hz m

An electromagnetic wave of wavelength 235 nm is traveling in vacuum in the z-direction. The electric field has an amplitude 2.70×10-3 V/m and is parallel to the x-axis What is the frequency of the electromagnetic wave?