Physics: The light intensity 10 m from a point source is 1000 W/m2. The intensity 100 m from the same
source is:
A. 1000 W/m2
B. 100 W/m2
C. 10 W/m2
D. 1 W/m2
E. 0.1 W/m2

Question

The light intensity 10 m from a point source is 1000 W/m2. The intensity 100 m from the same
source is:
A. 1000 W/m2
B. 100 W/m2
C. 10 W/m2
D. 1 W/m2
E. 0.1 W/m2

Physics · Accepted Answer

C
Chapter 33: ELECTROMAGNETIC WAVES

Physics

The light intensity 10 m from a point source is 1000 W/m2. The intensity 100 m from the same source is: A. 1000 W/m2 B. 100 W/m2 C. 10 W/m2 D. 1 W/m2 E. 0.1 W/m2

C Chapter 33: ELECTROMAGNETIC WAVES

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