An energy saving lamp with a power of P = 11 W emits an electromagnetic wave...

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Question

Physics

An energy saving lamp with a power of P = 11 W emits anelectromagnetic wave uniformly in all directions. Calculate thewave at a distance of r = 3 m from the lamp

(a) the intensity

(b) the radiation pressure

(c) electric field amplitude

(d) the amplitude of the magnetic field

Answer & Explanation Solved by verified expert

4.2 Ratings (672 Votes)

a intensity is defined by power per unit areaFor the given distance of 3m the surface area of the imaginarysphere of 3m radius will be 432 43149 113m2Therefore See Answer

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An energy saving lamp with a power of P = 11 W emits an electromagnetic wave...

80.2K

Verified Solution

Question

Physics

An energy saving lamp with a power of P = 11 W emits anelectromagnetic wave uniformly in all directions. Calculate thewave at a distance of r = 3 m from the lamp
(a) the intensity
(b) the radiation pressure
(c) electric field amplitude
(d) the amplitude of the magnetic field

Answer & Explanation Solved by verified expert

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An energy saving lamp with a power of P = 11 W emits an electromagnetic wave...

80.2K

Verified Solution

Question

Physics

An energy saving lamp with a power of P = 11 W emits anelectromagnetic wave uniformly in all directions. Calculate thewave at a distance of r = 3 m from the lamp(a) the intensity(b) the radiation pressure(c) electric field amplitude(d) the amplitude of the magnetic field

Answer & Explanation Solved by verified expert

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An energy saving lamp with a power of P = 11 W emits anelectromagnetic wave uniformly in all directions. Calculate thewave at a distance of r = 3 m from the lamp
(a) the intensity
(b) the radiation pressure
(c) electric field amplitude
(d) the amplitude of the magnetic field