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?
- The distance between the light bulb and the metal plate
- The size of the metal plate
- The temperature of the light bulb
- Whether the metal plate is placed next to or above the light bulb (at the same distance)
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
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---|---|---|---|---|---|---|---|---|
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% |