Log In | Register

Item RG146002: Light shines on a plate. Moving the plate to a different location that is the same distance away from the light will not change the amount of energy transferred to the plate. (with diagrams)

A glowing light bulb gives off electromagnetic radiation in all directions as represented by the arrows in the figure below. Suppose a metal plate is placed near the light bulb.

Which of the following changes would NOT affect the amount of energy transferred to the metal plate by electromagnetic radiation?

  1. The distance between the light bulb and plate is increased.
  2. The area of the plate is increased.
  3. The temperature of the light bulb is increased.
  4. The plate is moved above the light bulb.
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 1141
4–5
n = 0
6–8
n = 685
9–12
n = 456
Male
n = 502
Female
n = 610
English
n = 985
Other
n = 127
A. 24%N/A 25% 23% 26% 22% 23% 29%
B. 23%N/A 25% 21% 22% 25% 24% 24%
C. 15%N/A 13% 17% 13% 16% 15% 15%
D. 38%N/A 37% 39% 39% 37% 38% 32%