The average intensity a distance d₁ = 1.6 m from an omni-directional light bulb is ₁ = 1.3 W/m². (a) Write a symbolic expression for the intensity a distance d₂ = 2.5 m from the same bulb, in terms of ₁, d₁ and d₂, and calculate its numeric value. I₂: 11 (2) = 0.533 W/m² (Don't worry about the font -- use 1₁ for I
The average intensity a distance d₁ = 1.6 m from an omni-directional light bulb is ₁ = 1.3 W/m². (a) Write a symbolic expression for the intensity a distance d₂ = 2.5 m from the same bulb, in terms of ₁, d₁ and d₂, and calculate its numeric value. I₂: 11 (2) = 0.533 W/m² (Don't worry about the font -- use 1₁ for I
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Transcribed Image Text:The average intensity a distance d₁ = 1.6 m from an omni-directional light bulb is ₁ = 1.3 W/m².
(a) Write a symbolic expression for the intensity a distance d₂ = 2.5 m from the same bulb,
in terms of ₁, d₁ and d₂, and calculate its numeric value.
d₁
I₂
11
= 0.533
41.82
(b) Calculate the maximum output power of the light bulb.
Pmax
W/m²
W
(Don't worry about the font -- use 1₁ for 1.)
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