Assume the radiation from a heat lamp is monochromatic, with a wavelength of 1.5 μm . I =3.313 kW/m^2. a. What is the peak electric field strength, in kilovolts per meter? b. Find the peak magnetic field strength, in microtesla.

Assume the radiation from a heat lamp is monochromatic, with a wavelength of 1.5 μm . I =3.313 kW/m^2. a. What is the peak electric field strength, in kilovolts per meter? b. Find the peak magnetic field strength, in microtesla.

University Physics Volume 2

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Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 87P: A certain 60.0-Hz ac power line radiates an electromagnetic wave having a maximum electric field...

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Question

Assume the radiation from a heat lamp is monochromatic, with a wavelength of 1.5 μm . I =3.313 kW/m^2.

a. What is the peak electric field strength, in kilovolts per meter?

b. Find the peak magnetic field strength, in microtesla.

c. How long, in seconds, will it take to increase the temperature of the 3.95-kg shoulder by 2.00°C, assuming that the shoulder absorbs all the radiation from the lamp and given that its specific heat is 3.47 × 10³ J/(kg⋅°C)?

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