Question
A 60-W light bulb radiates electromagnetic waves uniformly in all directions. At a distance of 1.0 m from the bulb, the light intensity is
A 60-W light bulb radiates electromagnetic waves uniformly in all directions. At a distance of 1.0 m from the bulb, the light intensity is Io, the average energy density of the waves is up, and the rms electric and magnetic field values are Eo and Bo, respectively. Part A At 2.0 m from the bulb, what is the light intensity? O Io 10 01/10 O 10 Submit Request Answer Part B At 2.0 m from the bulb, what is the average energy density of the waves? 20 |1|2 ouo Submit Request Answer Part C At 2.0 m from the bulb, what is the rms magnetic field value? O Bo Bo O Bo O Bo Submit Request Answer
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Physics
Authors: James S. Walker
5th edition
978-0133498493, 9780321909107, 133498492, 0321909100, 978-0321976444
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