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Item RG146001: Whether a metal plate is placed next to or above a light bulb (at the same distance) will not affect the amount of energy transferred to the metal plate by electromagnetic radiation.

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 factors would NOT affect the amount of energy transferred to the metal plate by electromagnetic radiation?

  1. The distance between the light bulb and the metal plate
  2. The size of the metal plate
  3. The temperature of the light bulb
  4. Whether the metal plate is placed next to or above the light bulb (at the same distance) 
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 1137
4–5
n = 0
6–8
n = 634
9–12
n = 503
Male
n = 516
Female
n = 601
English
n = 990
Other
n = 123
A. 13%N/A 13% 14% 13% 13% 13% 15%
B. 25%N/A 25% 25% 25% 26% 24% 32%
C. 15%N/A 17% 13% 14% 17% 15% 22%
D. 46%N/A 44% 48% 49% 44% 48% 31%