Calculate the Light Intensity 1 $54.7 \mathrm {~W} / \mathrm { m } ^ { 2 }$

Multiple Choice

Calculate the light intensity 1.45 m from a light bulb that radiates 100 W equally in all directions

A) $54.7 \mathrm {~W} / \mathrm { m } ^ { 2 }$
B) $4.36 \mathrm {~W} / \mathrm { m } ^ { 2 }$
C) $47.6 \mathrm {~W} / \mathrm { m } ^ { 2 }$
D) $3.78 \mathrm {~W} / \mathrm { m } ^ { 2 }$